| Call number | Item |
| T | Technology (Go to start of category) |
| TJ | Mechanical Engineering (Go to start of category) |
| TJ1501 .S5 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) 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) |
| TK1 .J8 | The Jovian (selected issues, 1914-1919) (partial serial archives) |
| TK1 .M5 | Modern Electrics (partial serial archives) |
| TK3 .A6 | Archiv für Elektrotechnik (partial serial archives) |
| TK3 .E6 | Elektrotechnik und Maschinenbau (in German) (partial serial archives) |
| TK4 .E73 | Elektrichestvo (partial serial archives) |
| TK6 .G6 | Report on the Exhibits at the Crystal Palace Electrical Exhibition, 1882 (Washington: GPO, 1883), by Frank J. Sprague (page images at HathiTrust) |
| TK23 .N48 1985 | New Electric Power Technologies: Problems and Prospects for the 1990s (OTA-E-246; 1985), by United States Congress Office of Technology Assessment |
| TK140 .E3 B7 | Edison: The Man and His Work (Garden City, NY; Garden City Pub. Co., c1926), by George S. Bryan |
| TK140 .E3 D6 | The Life and Inventions of Thomas Alva Edison (London: Chatto and Windus, 1894), by W. K.-L. Dickson and Antonia Dickson, illust. by R. F. Outcalt, L. Bauhan, and James Ricalton (page images at HathiTrust) |
| TK140 .E3 D9 | Edison: His Life and Inventions, by Frank Lewis Dyer and Thomas Commerford Martin (Gutenberg text) |