| Call number | Item |
| T | Technology (Go to start of category) |
| TJ | Mechanical Engineering (Go to start of category) |
| TJ1233 .A84 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) The Atkins Saw Book for the Farm Workshop and Woodlands (second edition; Indianapolis: E. C. Atkins and Co., 1932) (multiple formats at archive.org) |
| TJ1233 .D6 1916 | The Saw in History (second edition; Philadelphia: H. Disston and Sons, c1916), by Henry Disston & Sons, Inc. (Philadelphia, Pa.) (multiple formats at archive.org) |
| TJ1233 .D8 | Saws: Their Care and Treatment (New York: D. Van Nostrand Co., ca. 1917), by Harry W. Durham (page images at HathiTrust) |
| TJ1233 .G7 1880 | Saws: The History, Development, Action, Classification and Comparison of Saws of All Kinds; With Appendices (Philadelphia: Claxton, Remsen and Haffelfinger, 1880), by Robert Grimshaw (multiple formats at archive.org) |
| TJ1235 .H7 | The Art of Saw-Filing: Scientifically Treated and Explained on Philosophical Principles; With Full and Explicit Directions for Putting in Order All Kinds of Saws, from a Jeweller's Saw to a Steam Saw-Mill (third edition; New York: J. Wiley and Son, 1871), by H. W. Holly (multiple formats at archive.org) |
| TJ1285 .D5 1922 | The File: Its History, Making and Uses (second edition; Philadelphia: H. Disston and Sons, 1921), by Henry Disston & Sons, Inc. (Philadelphia, Pa.) (multiple formats at archive.org) |
| TJ1285 .N62 | A Treatise on Files and Rasps, Descriptive and Illustrated: for the Use of Master Mechanics, Dealers, &c. (Providence, RI: Nicholson File Co., 1878), by W. T. Nicholson and R.I.) Nicholson File Company (Providence (multiple formats at Google) |
| TJ1320 .L3 | Handbook of Fastening and Joining of Metal Parts (first edition; New York et al.: McGraw-Hill, c1956), by Vallory H. Laughner and Augustus D. Hargan (page images at HathiTrust) |
| TJ1353 .M3 | A Book on Crane and Hoist Engineering (Muskegon, MI, 1937), ed. by George A. Mitchell (page images at HathiTrust) |
| TJ1480 .B35 | Engineering Elements of Farm Machinery (second printing; Ann Arbor: Edwards Bros., 1954), by Roy Bainer, Robert Allen Kepner, and E. L. Barger (page images at HathiTrust) |
| TJ1501 .S5 | Sewing Machine Times (US based trade journal, ca. 1882-ca. 1924; 1891-1911 issues online) (partial serial archives) |
| TJ1560 .A8 | The Automatic Age (partial serial archives) |
| TK | Electrical Engineering (and computer networks); Nuclear Engineering (Go to start of category) |
| TK1 .A61 | Journal of the American Institute of Electrical Engineers (partial serial archives) |
| TK1 .B4 | Bell Laboratories Record (partial serial archives) |
| TK1 .B425 | The Bell System Technical Journal (partial serial archives) |
| TK1 .B443 | Index of Technical Reprints: Reprints of Technical Papers by Engineers and Scientists of the Bell Telephone System, 1919-1930, by Bell Telephone Laboratories (page images at HathiTrust; US access only) |
| TK1 .B47 | Bell Telephone Quarterly (partial serial archives) |
| TK1 .E26 | Electrical Communication (partial serial archives) |
| TK1 .E5 | Electrical World (partial serial archives) |
| TK1 .E95 | Ericsson Review (partial serial archives) |
| TK1 .G5 | General Electric Review (partial serial archives) |
| TK1 .I412 1872 | Journal of the Society of Telegraph Engineers (partial serial archives) |
| TK1 .I412 1881 | Journal of the Society of Telegraph Engineers and of Electricians (full serial archives) |
| TK1 .I412 1883 | Journal of the Society of Telegraph-Engineers and Electricians (partial serial archives) |
| TK1 .I412 1889 | The Journal of the Institution of Electrical Engineers (partial serial archives) |