The Online Books Page

Online Books by

General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division

Books from the extended shelves:

• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Activity of the fission products of Uranium 235 (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division by Technical Publication Sub-Section, 1959), also by W. E. Knabe and G. E. Putnam (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Analysis of bearing materials for elevated-temperature application (General Electric Company, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1957), also by J. P. Denny and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Analysis of vane-type air motors (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1957), also by B. Kaplan (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Analysis of yttrium metal and yttrium oxide : no. 1 of a series (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by J. O. Hibbits, M. R. Menke, W. F. Davis, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Analysis of yttrium metal and yttrium oxide : no.2 of a series (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by J. O. Hibbits, M. R. Menke, W. F. Davis, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Applications and requirements for thermal insulation in nuclear reactors (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by C. G. Collins and G. W. Pomeroy (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Borax fuse tests (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1955), also by S. N. Stilwell and R. L. Waterfield (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Boundary value problems for hyperbolic partial differential equations with constant coefficients (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by J. F. Heyda (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: A brief literature survey relating temperature to boundary lubrication phenomena (Technical Publications, 1956), also by A. D. Varanelli and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Calibration of rhenium-molybdenum and rhenium-tungsten thermocouples to 4000 F (Atomic Products Division, 1958), also by J. C. Lachman and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Casting of zirconium containing small internal cooling holes (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, Technical Publications Sub-Section, 1960), also by D.S. Parker (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: A cathode ray tube subroutine for the fortran assembly program (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by R.F. Zecher and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Comparison of bulk shielding reactor centerline measurements in water with predictions (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by A. W. Casper (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Comparison of computed centerline dose rates from different areas of a source plate (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by A. W. Casper and J. G. Carver (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Correlation of data for pressure loss in a cannular J-73 combustor (Technical Publications, 1957), also by R. E. Motsinger and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Design and operation of a sodium-to-lithium-to air heat transfer system (General Electric, Technical Publications Subsections, 1957), also by A. R. Crocker (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: The determination of diffusion coefficient of a gas-metal system (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1957), also by V.L. Gelezunas and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Development of a pulse preamplifier for use at 542 degrees F (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by W. L. Frisby, U.S. Atomic Energy Commission, and United States Air Force (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Diffusion tensor for slab geometry (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division ;, 1959), also by J. R. Beeler and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: The effect of reactor radiation and temperature on silicon junction diodes (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by A. Friedman (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Effects of high temperature on the performance of alnico V and alnico VI permanent magnets (General Electric Co., Atomic Products Division, Aircraft Nuclear Propulsion Dept., 1957), also by W. H. Roberts and D. L. Mitchell (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Estimated radiation stability of aircraft components (General Electric, 1956), also by C. G. Collins, V. P. Calkins, R. C. Fries, W. J. Stapp, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Experimental determination of the reduction of induced activity in metals by addition of boron (Technical Publications, 1957), also by J. Moetff, M. Tetenbaum, W. J. Stapp, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: F₂ two-group neutron diffusion program (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by Francis Benjamin Smith (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Fabrication of teflon critical experiment fuel elements (Technical Publications, 1956), also by J. L. Swanson, F. H. Welch, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Fast-period reactor safety fuse tests (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by S. N. Stilwell and R. L. Waterfield (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Friction and wear of refractory compounds : progress report (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by K. P. Zeman and L. F. Coffin (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Gamma ray energy spectra from thermal neutron capture (General Electric, 1958), also by F. E. Deloume and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: General reactor analysis computer program for the IBM 704 : Program George (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by T. A. Hoffman and W. B. Henderson (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Heat transfer source file data (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1957), also by M.E. Lapides, M.B. Goldstein, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: A high impedance input circuit using germanium transistors (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by J. J. Baum (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: IBM 704 program C2 (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1957), also by Deborah B. Vollenweider and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: An IBM 704 program for the solution of the neutron transport equation in fifty concentric alluli by the Weil method, program I₂ (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by Robert R. McCready and Deborah B. Vollenweider (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: IBM 704 program report : aircraft nuclear propulsion shielding program 09-0 (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by J. W. Haffner, J. E. MacDonald, and J. J. Loechler (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: An IBM 704 program report : aircraft nuclear propulsion shielding program 10-0 (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by J. W. Haffner, J. E. MacDonald, and J. J. Loechler (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Internal fuses for low-power reactors (Atomic Products Division, 1953), also by T. W. Donaven, S. N. Stilwell, J. G. Stuart, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Irradiation testing of organic liquids (General Electric Company, 1958), also by G. W. Pomeroy and V. P. Calkins (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Join computer program (General Electric, Nuclear Materials and Propulsion Operation, 1961), also by John Wallach and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Klein-Nishina photon cross sections (Program Gamma) (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by M. J. Stanley (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: A method for simulating reactor kinetic equations over many decades (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by J. K. Baker (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Method of estimating dosage to ground from a radioactive cloud (General Electric. Aircraft Nuclear Propulsion Department, 1955), also by C. C. Gamertsfelder, R. L. Waterfield, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Miscellaneous data for shielding calculations (Aircraft Nuclear Propulsion Department, Atomic Products Division, General Electric Comapny, 1954), also by John D. Moteff and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: A new standardization technique for x-ray absorption measurements (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by J. O. Hibbits, M. R. Menke, S. S. Cooper, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Nuclear test gage safety experiment (General Electric Company, 1958), also by J. N. Renaker, V. J. Stratton, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: A numerical solution to the angle-integrated boltzmann equation (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by J. H. Bennett and J. R. Terrall (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Off-center control rod program (digital computer program K) (General Electric, 1959), also by C. L. Moore and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Off-critical reactor theory (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, Technical Publications, Sub-Section, 1959), also by B. H. Duane, D. S. Selengut, and R. E. Reid (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Particle escape from the ends of cylindrical tubes (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by John R. Terrall and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Polarography of europium and ytterbium (Atomic Products Division, 1958), also by James O. Hibbits, Warren F. Davis, Mary R. Menke, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Polynomial approximation of gamma ray buildup factors for a point isotropic source (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by M. A. Capo and Nuclear Development Corporation of America (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Proceedings of the large-crystal spectrometry symposium held in Cincinnati, Ohio, May 23, 1958 (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by J. G. Carver (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Radiation and temperature tests of minature transistor amplifiers (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by J. E. Mott (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Radiation effects on the G-E ceramic vacuum triode (General Electric, Technical Publications Subsections, 1958), also by J. Crittenden and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Reactor cell calculations for some cylindrically symmetric fuel elements surrounded by moderator (Atomic Products Division, 1955), also by J. A. McLennon and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: SEDP-synthetic experiment design program (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by F. D. Wenstrup (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Shadow shields and scattered gamma radiation (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, Technical Publications Sub-Section ;, 1958), also by Robert E. Baker (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Shielding computer program 11-0, reactor shield analysis (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by K.B. Hanchon (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Shielding computer programs 01-0, 02-0, and 03-0: reactor shield analysis (General Electric, 1957), also by M. A. Capo, J. E. MacDonald, W. E. Edwards, U.S. Atomic Energy Commission, and United States Air Force (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Some neutron cross sections for multi-group calculations (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by Nunzio Tralli, N. Benton, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Some simplified solutions for relatively stiff beams on elastic foundations (Atomic Products Division, 1958), also by Bernard W. Shaffer and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Space-energy cell homogenization (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by B. H. Duane and M. J. Stanley (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: SPERT I fuse trigger tests. (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by R. F. Spera, S. N. Stilwell, and R. L. Waterfield (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Steady-state and transient thermal stresses in a tube subjected to internal heating (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by H.A. Eagle and A. L. Ross (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Steady-state and transient thermal stresses in a tube subjected to internal heating (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by H.A. Eagle and A. L. Ross (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Stress resultants and out-of-plane deformations in stiff rings attached to elastic cylinders and subject to concentrated loads (Atomic Products Division, 1958), also by Bernard W. Shaffer, Eric E. Ungar, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Stresses in rings deformed out of their planes (Atomic Products Division, 1958), also by Bernard W. Shaffer, Eric E. Ungar, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Studies of solid state reactions in high temperature alloy systems : first quarterly report for subcontract CAAT-17 nickel base alloy studies (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by J. F. Radavich (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Summary of drag coefficients of various shaped cylinders (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, Technical Publications Sub-Section ;, 1957), also by C. F. Heddleson and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: A survey of hydrodynamic and hydrostatic lubricated bearings (Atomic Products Division, 1958), also by M. A. Koenders and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Synthetic experiment design technique in reactor analysis (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, Technical Publications Sub-Section ;, 1956), also by J. M. Krase and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Technical information engineering system (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by G. J. Mikulak, J. B. Crabbe, K. D. Brown, and R. L. Allen (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Test data from the 2 (pi) solid-angle shield-cover experiment (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by R. F. Rohrer, W. L. Weiss, R. F. Brenton, J. G. Carver, R. H. Clark, and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Thermal conductivity of silicon carbide powder (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by Armour Research Foundation (U.S.) (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Thermal stress analysis of finite sections (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by Arthur L. Ross (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Thermal stresses in tube with axial temperature gradient (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by R. J. Dunholter (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Thermoelastic stability of slat rows (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by A. L. Ross (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Time and space temperature distribution in a sphere with an intermittent constant heat source (Technical Publications, 1957), also by J. F. Heyda and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Two-group constants for reactor materials (General Electric, 1958), also by Mary J. Stanley and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Two-space-dimension, multi-group code for the IBM-704 (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1958), also by F. M. Trantham and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Two-space-dimension, multi-group code for the IBM-704 (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by F. M. Trantham and U.S. Atomic Energy Commission (page images at HathiTrust)
• General Electric Company. Aircraft Nuclear Propulsion Department. Atomic Products Division: Uranium-235 fission product activity and energy as a function of decay time for a specific irradiation time and thermal flux (General Electric, Aircraft Nuclear Propulsion Dept., Atomic Products Division, 1959), also by C. B. Magee and U.S. Atomic Energy Commission (page images at HathiTrust)

See also what's at your library, or elsewhere.

Help with reading books -- Report a bad link -- Suggest a new listing

Home -- Search -- New Listings -- Authors -- Titles -- Subjects -- Serials

Books -- News -- Features -- Archives -- The Inside Story

Edited by John Mark Ockerbloom (onlinebooks@pobox.upenn.edu)
OBP copyrights and licenses.