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/ 11
Beggs deformeter gauges

Beggs deformeter gauges

George Erle Beggs
early 20th-mid 20th Century
Berger & Sons geodetic level

Berger & Sons geodetic level

C. L. Berger & Sons
circa 1902
Fuller's spiral slide rule

Fuller's spiral slide rule

W. F. Stanley & Company, Ltd.
1894-1895
Fuller's spiral slide rule

Fuller's spiral slide rule

W. F. Stanley & Company, Ltd.
1900
gaussmeter model D-79

gaussmeter model D-79

Dyna-Labs Inc.
1950-1960
GE type 1231-B amplifier and null detector

GE type 1231-B amplifier and null detector

General Radio Company
circa 1948
IBM ASCC-Harvard Mark I photo album

IBM ASCC-Harvard Mark I photo album

International Business Machines Corporation
1944
IBM ASCC-Mark I photo album: a Mark I interpolator tape-feeding mechanism

IBM ASCC-Mark I photo album: a Mark I interpolator tape-feeding mechanism

International Business Machines Corporation
1944
IBM ASCC-Mark I photo album: Benjamin Durfee, IBM engineer

IBM ASCC-Mark I photo album: Benjamin Durfee, IBM engineer

International Business Machines Corporation
1944
IBM ASCC-Mark I photo album: bottom-leftmost panel of multiply-divide unit

IBM ASCC-Mark I photo album: bottom-leftmost panel of multiply-divide unit

International Business Machines Corporation
1944
IBM ASCC-Mark I photo album: bottom of Mark I multiply-divide unit

IBM ASCC-Mark I photo album: bottom of Mark I multiply-divide unit

International Business Machines Corporation
1944
IBM ASCC-Mark I photo album: bottom of Mark I multiply-divide unit

IBM ASCC-Mark I photo album: bottom of Mark I multiply-divide unit

International Business Machines Corporation
1944
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The Collection of Historical Scientific Instruments
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p. 617-495-2779 • f. 617-496-5794
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