| electroscope(noun, technology, entity, form, concept) |
| electrostatic generator(noun, technology, entity, form, concept) |
| elephant clock(noun, technology, entity, form, concept) |
| epicyclic gearing(noun, technology, entity, form, concept) |
| equation of time(noun, technology, entity, form, concept) |
| equatorial ring(noun, technology, entity, form, concept) |
| equatorium(noun, technology, entity, form, concept) |
| escapement mechanism(noun, technology, entity, form, concept) |
| feedback system(noun, technology, entity, form, concept) |
| fidelipac(noun, technology, entity, form, concept) |
| filar micrometer(noun, technology, entity, form, concept) |
| filmstrip(noun, technology, entity, form, concept) |
| fireless locomotive(noun, technology, entity, form, concept) |
| fireman(noun, technology, entity, form, concept) |
| fixed axial gnomon(noun, technology, entity, form, concept) |
| flight computer(noun, technology, entity, form, concept) |
| fossil fuel phase-out(noun, technology, entity, form, concept) |
| frisco Silver Dollar line(noun, technology, entity, form, concept) |
| galvanometer(noun, technology, entity, form, concept) |
| game boy advance video(noun, technology, entity, form, concept) |