| 36 | [Alum in baking powders] | 376 |
| 36 | [Alum in bread] | 376 |
| 30 | [Argonaut, or Paper Nautilus]* | 375 |
| 38 | [Astronomical notes] | 377 |
| NQ-05 | [Babbitt metal, to make] [5] | 378 |
| NQ-06 | [Belts, rubber, slipping] [6] | 378 |
| 22 | [Bench, saw, Casson's]* | 374 |
| NQ-08 | [Boot polish liquid] [8] | 378 |
| NQ-16 | [Butter, to color] [16] | 378 |
| 1 | [Canal, ship, Belgian]* | 367 |
| 17 | [Economy, machine shop] | 371 |
| 33 | [Eggs, preservation of] | 375 |
| 21 | [Electric light, Werdermann]* | 373 |
| 3 | [Engineers, warning to] | 367 |
| NQ-48 | [Engine, steam, valve yoke] [48] | 379 |
| NQ-57 | [Exterminator, roach] [57] | 379 |
| NQ-19 | [Filter for rain water] [19] | 378 |
| 14 | [Foot power, new]* | 370 |
| 6 | [Glass, iridescent] | 368 |
| 32 | [Glass, to make a hole in] | 375 |
| NQ-42 | [Hair, to prevent falling out] [42] | 379 |
| 39 | [Inks, sympathetic] | 377 |
| 18 | [Invention, reward of] | 371 |
| 15 | [Inventions, new], | 370 |
| 43 | [Inventions, new agricultural] | 377 |
| 26 | [Inventions, new mechanical] | 374 |
| 23 | [Inventors, bait for] | 374 |
| 2 | [Iron and steel, preservation of] | 367 |
| NQ-43 | [Iron, malleable, to make] [43] | 379 |
| 11 | [Leaves, culinary uses for] | 370 |
| NQ-36 | [Line, straight, to draw]* [36] | 379 |
| 16 | [Mechanics, amateur]* | 371 |
| 35 | [Mexico, progress of science in] | 376 |
| 28 | [Microphone as a thief catcher] | 375 |
| 44 | [Naphtha and benzine] | 377 |
| 42 | [Nitrate of silver, reduction of] | 377 |
| 45 | [Notes and queries] | 378 |
| 19 | [Oil notes] | 372 |
| 41 | [Petroleum and gold] | 377 |
| 4 | [Petroleum, progress of] | 368 |
| 25 | [Poultices] | 374 |
| 27 | [Quinine, effects of on hearing] | 374 |
| NQ-02 | [Railroad, first in U. S.] [2] | 378 |
| 7 | [Rails and railway accidents] | 368 |
| 20 | [Railway notes] | 373 |
| 8 | [Sanitary Science in the U. S.] | 369 |
| NQ-04 | [Screw heads, blue color for] [4] | 378 |
| 34 | [Sheep husbandry, American] | 375 |
| 12 | [Shutter fastener, new]* | 370 |
| 24 | [Silver mill in the clouds] | 374 |
| 31 | [Spider, trap-door]* | 375 |
| 13 | [Sprinkler, garden, improved]* | 370 |
| NQ-03 | [Telescope, sunshade for] [3] | 378 |
| NQ-55 | [Tools, steel, to temper] [55] | 379 |
| 29 | [Tree, tallest in the world] | 375 |
| 37 | [Tree trunks elongation of] | 376 |
| 9 | [Trees, felling by electricity] | 370 |
| NQ-51 | [Tubing, to satin finish] [51] | 379 |
| 10 | [Vise, an improved]* | 370 |
| NQ-14 | [White lead, to test] [14] | 378 |
| 40 | [Wire clothing for cylinders]* | 377 |
| 5 | [Work, the limit of] | 368 |