30 entries under entity topic. ×

2
catapult(noun, technology, history, obsoleteness)
2
flash-lamp(noun, technology, history, obsoleteness)
2
hourglass(noun, technology, history, obsoleteness)
2
kinescope(noun, technology, history, obsoleteness)
2
mimeograph(noun, technology, history, obsoleteness)
2
multi-image(noun, technology, history, obsoleteness)
2
stauroscope(noun, technology, history, obsoleteness)
2
sundial(noun, technology, history, obsoleteness)
2
trebuchet(noun, technology, history, obsoleteness)
2
typewriter(noun, technology, history, obsoleteness)
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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>