| Call number | Item |
| T | Technology (Go to start of category) |
| TJ | Mechanical Engineering (Go to start of category) |
| TJ23 .A33 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Hydroelectric Power Resources of the United States, Developed and Undeveloped (partial serial archives) |
| TJ140.B6 S55 | Lives of the Engineers: Boulton and Watt; The Steam Engine (based on the 1904 J. Murray edition, with additional images and notes), by Samuel Smiles (illustrated HTML in the UK) |
| TJ140 .D53 R4 | The Dilworth Story: The Biography of Richard Dilworth, Pioneer Developer of the Diesel Locomotive (New York et al.: McGraw-Hill Book Co., c1954), by Franklin M. Reck (page images at HathiTrust) |
| TJ140 .N25 A3 | James Nasmyth Engineer: An Autobiography, by James Nasmyth (HTML at Bibliomania) |
| TJ140 .S8 S6 | The Life of George Stephenson and of His Son Robert Stephenson; Comprising Also a History of the Invention and Introduction of the Railway Locomotive (New York: Harper and Brothers, ca. 1868; with added illustrations), by Samuel Smiles (illustrated HTML with commentary in the UK) |
| TJ145 .A5 | Cyclopedia of Mechanical Engineering: A General Reference Work on Machine Shop Practice, Tool Making, Forging, Pattern Making, Foundry, Work, Metallurgy, Steam Boilers and Engines, Gas Producers, Gas Engines, Automobiles, Elevators, Refrigeration, Sheet Metal Work, Mechanical Drawing, Machine Design, Etc. (7 volumes; Chicago: American School of Correspondence, c1908), ed. by Howard Monroe Raymond (page images at HathiTrust) |
| TJ145 .H56 | Process Equipment Design (second printing; New York: D. Van Nostrand Co., 1945), by Herman C. Hesse and J. Henry Rushton (page images at HathiTrust) |
| TJ151 .K4 1917 | The Mechanical Engineers' Pocket-Book (9th edition, second printing; New York: J. Wiley and Sons; London: Chapman and Hall, ca. 1917), by William Kent and Robert Thurston Kent (multiple formats at archive.org) |
| TJ151 .M33 | Machinery's Handbook For Machine Shop and Drafting Room: A Reference Book on Machine Design and Shop Practice for the Mechanical Engineer, Draftsman, Toolmaker and Machinist (fifth edition; New York: Industrial Press; London: Machinery Pub. Co., 1915) (page images at HathiTrust) |
| TJ153 .B34 | The Economy of Machinery and Manufactures, by Charles Babbage |
| TJ153 .B34 1846 | On the Economy of Machinery and Manufactures (London: J, Murray, 1846), by Charles Babbage (multiple formats at archive.org) |
| TJ163.15 .E5384 1990 | Energy: Production, Consumption, and Consequences, ed. by John Helm (page images with commentary at NAP) |
| TJ163.2 .A56 | Annual Review of Environment and Resources (partial serial archives) |
| TJ163.2 .S67 | Soft-Tech (c1978), ed. by J. Baldwin and Stewart Brand (page images at wholeearth.info) |
| TJ163.2 .U5 | Renewable Ocean Energy Sources (2 parts; 1978-1979), by United States Congress Office of Technology Assessment |
| TJ163.25.D44 E53 1991 | Energy in Developing Countries (1991), by United States Congress Office of Technology Assessment (PDF files at Princeton) |
| TJ163.25 .D44 F84 1992 | Fueling Development: Energy Technologies for Developing Countries (1992), by United States Congress Office of Technology Assessment |
| TJ163.25 .E84 F83 1994 | Fueling Reform: Energy Technologies for the Former East Bloc (1994), by United States Congress Office of Technology Assessment |
| TJ163.25 .U6 | An Analysis of the ERDA Plan and Program (1978), by United States Congress Office of Technology Assessment (PDF files at Princeton) |
| TJ163.25.U6 U49 1980 | Alternative Energy Futures: Part I-The Future of Liquefied Natural Gas Imports (only part published; 1980), by United States Congress Office of Technology Assessment (PDF files at Princeton) |
| TJ163.25.U6 U5 1976 | Comparative Analysis of the 1976 ERDA Plan and Program (1976), by United States Congress Office of Technology Assessment (PDF files at Princeton) |
| TJ163.3 .N67 | The Efficient Use of Energy Resources (Cowles Foundation monograph #26; New Haven and London: Yale University Press, 1979), by William D. Nordhaus (PDF at Yale) |
| TJ163.4.E85 E52 1993 | Energy Efficiency Technologies for Central and Eastern Europe (1993), by United States Congress Office of Technology Assessment (PDF files at Princeton) |
| TJ163.4 .U6 E527 1994 | Energy Efficiency in Federal Facilities: Update on Funding and Potential Savings (1994), by United States Congress Office of Technology Assessment (PDF files at Princeton) |
| TJ163.4 .U6 I484 1993 | Industrial Energy Efficiency (1993), by United States Congress Office of Technology Assessment |