typewriter innovation

URI: https://gptkb.org/prop/typewriter_innovation
4 triples
GPTKB property
Random triples
Subject Object
gptkb:Smith_Premier_No._48 visible writing technology
gptkb:Smith_Premier_No._29 improved typing speed
gptkb:Smith_Premier_No._17 improved typing speed
gptkb:Sholes_and_Glidden_typewriter shift key