| Bygrave slide rule(noun, technology, entity, form, concept) |
| astrolabe(noun, technology, entity, form, concept) |
| astronomical ring(noun, technology, entity, form, concept) |
| mechanical calculator(noun, technology, entity, form, concept) |
| obsolete technology(noun, technology, entity, form, concept) |
| rectangulus(noun, technology, entity, form, concept) |
| slide rule(noun, technology, entity, form, concept) |
| tabulating machine(noun, technology, entity, form, concept) |
| technological phase-out(noun, technology, entity, form, concept) |
| Chinese typewriter(noun, technology, entity, form, concept) |
| Coggeshall slide rule(noun, technology, entity, form, concept) |
| Cole's quadrant(noun, technology, entity, form, concept) |
| Corbett's electrostatic machine(noun, technology, entity, form, concept) |
| Crookes tube(noun, technology, entity, form, concept) |
| Davis quadrant(noun, technology, entity, form, concept) |
| Eise Eisinga planetarium(noun, technology, entity, form, concept) |
| Eliphalet Remington and Sons typewriter(noun, technology, entity, form, concept) |
| Elton's quadrant(noun, technology, entity, form, concept) |
| Ford typewriter(noun, technology, entity, form, concept) |
| Franklin's electrostatic machine(noun, technology, entity, form, concept) |