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17 entries under expression topic. ×

3
button copy(noun, technology, entity, history)
3
dead media project(noun, technology, entity, history)
3
dial-up internet access(noun, technology, entity, history)
3
discontinued media format(noun, technology, entity, history)
3
historical scientific instrument(noun, technology, entity, history)
3
mechanical calculator(noun, technology, entity, history)
3
monochrome monitor(noun, technology, entity, history)
3
pulse dialing(noun, technology, entity, history)
3
rotary dial(noun, technology, entity, history)
3
slide rule(noun, technology, entity, history)
3
steam car(noun, technology, entity, history)
3
steam locomotive(noun, technology, entity, history)
3
technological phase-out(noun, technology, entity, history)
3
treadwheel crane(noun, technology, entity, history)
3
unit record equipment(noun, technology, entity, history)
3
water clock(noun, technology, entity, history)
2
steam drill(noun, technology, entity, form)
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APASmart Define. (1970). obsolete technology thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/obsolete_technology/thesaurus/narrower
ChicagoSmart Define. 1970. "obsolete technology thesaurus" https://smartdefine.org/obsolete_technology/thesaurus/narrower (accessed September 22, 2026).
HarvardSmart Define 1970, obsolete technology thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/obsolete_technology/thesaurus/narrower>.
MLASmart Define. "obsolete technology thesaurus" 1 January 1970. Web. 22 September 2026. <https://smartdefine.org/obsolete_technology/thesaurus/narrower>