Accession No
6006
Brief Description
plain wooden mathematical triangle; late 18th - early 19th century
Origin
Maker
Class
mathematics
Earliest Date
1775
Latest Date
1825
Inscription Date
Material
wood
Dimensions
293mm length; 75mm width; 9mm depth
Special Collection
Provenance
Purchased from Tesseract, Box 151, Hastings-on-Hudson, New York 10706, U.S.A., on 01/09/2004. From Catalogue 77, Summer 2004.
Inscription
Description Notes
Plain, unfinished wooden right-angled mathematical triangle; late 18th - early 19th century. Other two angles are 75 degrees and 15 degrees. Wood grain gives slightly uneven, furrowed surface. One mark on longest side, possibly the beginnings of marking out scales on the triangle.
Condition good.
References
Events
Description
These are mathematical triangles used in maths and geometry. They are made of wood and these particular examples date from the late 18th and early 19th centuries, although even now maths sets contain instruments very similar to these. One example (Wh.6007) has construction details for the maker with materials and dimensions noted. Another (Wh.6005) has the maker W&S Jones and the designer Thomas Keith names printed on the front and this dates it to between 1792 and 1800.
FM:46472
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