Calculagraph, Electric; Western Electric; 1930-1940; ZLB.3745

Name/Title

Calculagraph, Electric

About this object

This is a 20 volt, Western Electric, Electric Calculagraph, used in telephony for timing toll calls. This particular model is a NO.33 17774 20V 50 CY. It came with a wooden transport carrying case. Electric calculagraphs first made an appearance in the United States in the 1930s.

Maker

Western Electric

Maker Role

Manufacturer

Date Made

1930-1940

Period

1930s

Place Made

North and Central America, United States, New York State, New York

Medium and Materials

inorganic, processed material, metal, alloy, steel
inorganic, processed material, metal, copper
inorganic, processed material, metal,
inorganic, processed material, synthetic, plastic
organic, processed material, vegetal, fibre, cotton

Inscription and Marks

Embossed on plate on front 'PATENTS 1534755 582651 PATENTS PENDING KS7769L6 TRADE MARK 95597 NO.33 - 17774 20.V. 50 CY'
'CALCULAGRAPH MADE IN U.S.A'.

Measurements

h 210 mm x w 85 mm x d 180 mm

Subject and Association Keywords

Communication (including Diaries and Letters)

Object Type

equipment

Object number

ZLB.3745

Copyright Licence  

Attribution (cc) Attribution (cc)

This object is from
Tags

Include tags such as place names, people, dates, events and colours. Use commas to separate multiple tags. e.g. Pablo Picasso, Madrid, red, 1930s.

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