Folding square in brass signed Pigeon A Lyon

Made:: 1772 in Lyons

Folding square in brass signed Pigeon A Lyon, c. 1770

Details

Category:: Mathematics

Object Number:: 1991-370

Materials:: brass

type:: squaring drawing instruments and folding set squares

credit:: Christie, Manson and Woods Limited

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Folding square in brass signed Pigeon A Lyon

Details

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