published on: 2016-07-25 06:36:59
oldworldinventions: Sears used to sell tombstones
oldworldinventions: 1913: Copy machine
oldworldinventions: 1950(s): Computer room
magictransistor: The Montgolfier brothers in their hot-air balloon
oldworldinventions: 1956: Design for the telephone of the future
dinosaurspen: Cryptographers Dorothy Du Boisson & Elsie