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/ 8
box of parts

box of parts

Keuffel & Esser Company
mid 19th-late 20th Century
box of surveying instruments

box of surveying instruments

Buff & Berger
1870-1950
compensating polar planimeter

compensating polar planimeter

Gebrüder Haff
circa 1949
compensating polar planimeter

compensating polar planimeter

Gebrüder Haff
circa 1940
compensating polar planimeter

compensating polar planimeter

Gebrüder Haff
circa 1940
compensating polar planimeter

compensating polar planimeter

Gebrüder Haff
circa 1940
compensating polar planimeter

compensating polar planimeter

Gebrüder Haff
circa 1957
compensating polar planimeter with magnified fixed tracing arm

compensating polar planimeter with magnified fixed tracing arm

Gebrüder Haff
1960-1969
Contact goniometer

Contact goniometer

Keuffel & Esser Company
circa 1910
Copenhagen ship curves, set of 12

Copenhagen ship curves, set of 12

Keuffel & Esser Company
circa 1956
Coradi's mechanical integraph

Coradi's mechanical integraph

Keuffel & Esser Company
1916-1926
desk slide rule

desk slide rule

Keuffel & Esser Company
patented 1933
/ 8

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The Collection of Historical Scientific Instruments
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