Calculagraph, Manual; Unknown Maker; Unknown; ZLB.3744

Name/Title

Calculagraph, Manual

About this object

This is a manual calculagraph. The wind up calculagraph, invented in 1888 by 38 year old clockmaker Henry Abbot, was first used in telephony for timing toll calls in 1894. Calulagraphs were used in New Zealand telephone exchanges for 90 years.

Maker

Unknown Maker

Maker Role

Manufacturer

Date Made

Unknown

Place Made

Unknown

Medium and Materials

inorganic, processed material, metal, alloy, brass
inorganic, processed material, metal, alloy, steel
inorganic, processed material, metal, nickle
inorganic, processed material, synthetic, plastic
inorganic, processed material, glass

Inscription and Marks

Engraved on the front: 'CALCULAGRAPH 679 408 697 427 US. PATENTS NO.S 424.291 424.292 449.192 583 320 TRADE MARK SEPT 13 - 1892 NO 21747

PUT CARD IN HERE
AND EUROPEAN PATENTS 10614'.

Measurements

h 230 mm x w 250 mm x d 230 mm

Subject and Association Keywords

Communication (including Diaries and Letters)

Object Type

equipment

Object number

ZLB.3744

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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