Article ID: CBB000933566

William Wallace's Chorograph (1839): A Rare Mathematical Instrument (2010)

unapi

In 1839, William Wallace, Edinburgh University's newly retired professor of mathematics, invented the chorograph, a mathematical instrument for use in cartography and navigation. This instrument, owned by a descendant of Wallace, has recently come to light. As it failed to replace the station pointer, no other copies are known to have survived. Its mode of operation and its merits and demerits are here described.

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Description On a mathematical instrument for use in cartography and navigation.


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Authors & Contributors
Craik, Alex D. D.
Sumira, Sylvia
Filippoupoliti, Anastasia
Wolfschmidt, Gudrun
Wawrik, Franz
Riches, David M.
Journals
Bulletin of the Scientific Instrument Society
Der Globusfreund: Wissenschaftliche Zeitschrift für Globen- und Instrumentenkunde
Historia Mathematica
Museum History Journal
Mariner's Mirror
Journal for Maritime Research: Britian, the Sea and Global History
Publishers
Oxford University Press
Museu de Astronomia e Ciências Afins (MAST)
British Library
Concepts
Scientific apparatus and instruments
Instruments, navigational
Cartography
Globes
Instruments, astronomical
Astronomy
People
Wallace, William
Wharton, William
Ramsden, Jesse
Peacock, George
Louis XIV, King of France
Leslie, (Sir) John
Time Periods
19th century
18th century
17th century
Early modern
20th century, early
20th century
Places
Great Britain
London (England)
Scotland
England
United States
Germany
Institutions
Great Britain. Royal Navy
Royal Observatory Greenwich
Royal Astronomical Society
National Maritime Museum (Great Britain)
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