Inventors - Mr. Johnston: Frederick High
| 306411294 | Dynamo | Michael Faraday | 0 | |
| 306411295 | Reaping Machine | Cyrus McCormick | 1 | |
| 306411296 | Photography | Louis M. Daguerre; William Henry Fox Talbot | 2 | |
| 306411297 | Revolver | Samuel Colt | 3 | |
| 306411298 | Telegraph | Samuel Morse | 4 | |
| 306411299 | Vulcanized Rubber | Charles Goodyear | 5 | |
| 306411300 | Gyroscope | Léon Foucault | 6 | |
| 306411301 | Passenger Elevator | Elisha Otis | 7 | |
| 306411302 | Celluloid | Alexander Parkes | 8 | |
| 306411303 | Bessemer Converter | Henry Bessemer | 9 | |
| 306411304 | Bunsen Burner | Robert Bunsen | 10 | |
| 306411305 | Refrigerator | Ferdinand Carré | 11 | |
| 306411306 | Washing Machine | Hamilton Smith | 12 | |
| 306411307 | Internal Combustion Engine | Etienne Lenoir | 13 | |
| 306411308 | Rapid-Fire Gun | Richard Gatling | 14 | |
| 306411309 | Dynamite | Alfred Nobel | 15 | |
| 306411310 | Telephone | Alexander Graham Bell | 16 | |
| 306411311 | Phonograph | Thomas Edison | 17 | |
| 306411312 | Incandescent Lamp | Thomas Edison | 18 | |
| 306411313 | Motorcycle | Edward Butler | 19 | |
| 306411314 | Electric Transformer | William Stanley | 20 | |
| 306411315 | Vacuum Flask | James Dewar | 21 | |
| 306411316 | Motorcar Engine | Gottlieb Daimler; Karl Benz | 22 | |
| 306411317 | Pneumatic Tire | John Boyd Dunlop | 23 | |
| 306411318 | Kodak Camera | George Eastman | 24 | |
| 306411319 | Wireless | Nikola Tesla | 25 | |
| 306411320 | X-rays | Wilhelm Roentgen | 26 | |
| 306411321 | Radioactivity | Antoine Becquerel | 27 | |
| 306411322 | Diesel Engine | Rudolf Diesel | 28 | |
| 306411323 | Submarine | John P. Holland | 29 | |
| 306411324 | Radium and Polonium | Pierre and Marie Curie | 30 | |
| 306411325 | Radio-telephone | Reginald Fessenden | 31 | |
| 306411326 | Airplane | Wilbur and Orville Wright | 32 | |
| 306411327 | Theory of Relativity | Albert Einstein | 33 | |
| 306411328 | Combine Harvester | Benjamin Holt | 34 | |
| 306411329 | Tank | Ernest Swinton | 35 | |
| 306411330 | Theory of Numbers | Pierre de Fermat | 36 | |
| 306411331 | Calculating Machine | Blaise Pascal | 37 | |
| 306411332 | Air Pump | Otto van Guericke | 38 | |
| 306411333 | Pendulum Clock | Otto van Guericke | 39 | |
| 306411334 | Calculus | Isaac Newton and Gottfried Leibnitz (Independently) | 40 | |
| 306411335 | Steam Pump | Thomas Savory | 41 | |
| 306411336 | Seed Drill | Jethro Tull | 42 | |
| 306411337 | Steam Engine | Thomas Newcomen | 43 | |
| 306411338 | Mercury Thermometer | Gabriel Fahrenheit | 44 | |
| 306411339 | Flying Shuttle | John Kay | 45 | |
| 306411340 | Lightning Conductor | Benjamin Franklin | 46 | |
| 306411341 | Spinning Jenny | James Hargreaves | 47 | |
| 306411342 | Condensing Steam Engine | James Watt | 48 | |
| 306411343 | Hydrometer | Antoine Baumé | 49 | |
| 306411344 | Hot Air Balloon | Joseph and Etienne Montgolfier | 50 | |
| 306411345 | Parachute | Louis Lenormand | 51 | |
| 306411346 | Power Loom | Edmund Cartwright | 52 | |
| 306411347 | Combustion | Antoine Lavoisier | 53 | |
| 306411348 | Cotton Gin | Eli Whitney | 54 | |
| 306411349 | Electric Battery | Alessandro Volta | 55 | |
| 306411350 | Steamboat | Robert Fulton | 56 | |
| 306411351 | Miner's Safety Lamp | Humphrey Davy | 57 | |
| 306411352 | Bicycle | Karl von Sauerbrun | 58 | |
| 306411353 | Digital Calculating Machine | Charles Babbage | 59 | |
| 306411354 | Portland Cement | Joseph Aspdin | 60 | |
| 306411355 | Electromagnet | William Sturgeon | 61 | |
| 306411356 | Heliography (Pre-photography) | Joseph Niépce | 62 | |
| 306411357 | Blast Furnace | James Nielson | 63 | |
| 306411358 | Steam Locomotive | George Stephenson | 64 |

