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From magnetic tape and rare film to lab notebooks and business plans to early mainframes and source code, our collection is as diverse as the history of computing. It is a rich resource for everyone, comprising historical objects, documents, software titles, ephemera, and photographs and moving images.

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Catalog contains over 150,474 records.

Result 41-60 of about 86

Fowler's Textile Calculator
Fowler and Company, Manchester
Physical object, ca. 1900
XB112.80

Millionaire's Mechanical Calculator
Hans W. Egli Co
Physical object, ca. 1910
XB91.76

Map distance measurer or reader

Physical object, undated
XB200.82

Comptometer
Comptometer Corporation
Physical object, undated
X465.84

Pascal Adder (Pascaline) (replica)
Guatelli, Roberto
Physical object, 1645 (original); ca. 1981 (replica)
B150.81

Golden Gem Adding Machine
Automatic Adding Machine Co.
Physical object, ca. 1910
XB266.83

Map mileage reader
H. C.
Physical object, undated
XB140.80

Circular concise slide rule

Physical object, 1960
XB114.80

Modern Math Addition mechanical flash card system
Wolverine
Physical object, undated
B231.82

Lord's Calculator
Elliott Brothers
Physical object, 1880
B1500.01

Gunter's line of numbers

Physical object, ca. 1800
B4.76

Plus calculator
Bell Punch Company, Ltd.
Physical object, ca. 1949
XB81.80

Addometer
Burroughs Corporation
Physical object, undated
XB179.81

Class 5 Key-driven Calculator
Burroughs Corporation
Physical object, 1920
XB155.81

Friden calculating machine, 8-column
Friden
Physical object, undated
102633118

Abacus

Physical object, ca. 1960
B172.81

Thatcher's Rule
Keuffel & Esser Company
Physical object, ca. 1920
B29.77

Boucher's Calculator
Manloves, London
Physical object, 1876 (patented)
B218.82

Thales Patent calculator
Thales
Physical object, 1940
XB84.79

Abacus

Physical object, ca. 1900
B94.80