| acme(noun, apex, climax, capstone, apogee) |
| highlight |
| 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) |
| peak(noun, apex, climax, capstone, acme) |
| 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) |
| at this point |
| from |
| obsolete technology(noun, technology, entity, form, concept) |
| precipice |
| punchline(noun, apex, climax, capstone, acme) |
| Antikythera mechanism(noun, technology, entity, form, concept) |
| Bernard Gitton's time-flow clock(noun, technology, entity, form, concept) |
| Bernoulli box(noun, technology, entity, form, concept) |
| Blickensderfer typewriter(noun, technology, entity, form, concept) |