Scientific Researches! - New Discoveries in Pneumaticks! - or, an Experimental Lecture on the Powers of Air Hannah Humphrey 1802
Hollerith 45 column horizontal electrical sorting machine, 1920-1930 Computing & Data Processing 1920-1930
Leather belt with keys, used by State Registered Mental Nurse Psychology, Psychiatry & Anthropometry 1940-1970
'Message Cam' mobile phone accessory with connector cable, 1999-2001 Computing & Data Processing 1999-2001