Mobile Ruler

From Inventions

Name used since Renaissance times (documented, for example, by Vincenzo Scamozzi).

Description

Ruler made of segments hinged together, also called folding ruler. It was used to measure linear quantities and angles.

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Bibliographical Resources

Scamozzi, Vincenzo, L’idea della architettura universale, Venezia, 1615, Parte I, Lib. I, Cap. XV, p. 49: “le Righe mobili, ò pieghevoli da prender gli angoli…”

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Author of the entry: Filippo Camerota