26 column round hole tabulator, by Powers-Samas, United Kingdom, 1925-1935 26 column round hole tabulator c. 1930 1930
60K rod memory unit from NCR 315, RMC computer, sectioned part of rod memory, single unit of rod memory, single unit of rod memory and loose rods 60K rod memory unit from NCR 315
Support and misc. equipment used with Friden Flexowriter 2300 (1968) Equipment used with Friden Flexowriter 2300
Datagraphix 4360 COM (computer output microfilm) recorder manufactured by Stromberg Carlson c. 1969, complete with IBM magnetic tape unit model 2401 Datagraphix 4360 COM (computer output microfilm) recorder manufactured by Stromberg Carlson c. 1969
Semi-automatic 3-counter tabulator, early example, c.1905, (no.0312) Semi-automatic 3 counter tabulator