Linear scale and folding square with quadrant arc

Made:
1757 in Prague and Czech Republic
Linear scale engraved Biswanger Prag' and folding square with

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Linear scale engraved Biswanger Prag' and folding square with
Science Museum Group
© The Board of Trustees of the Science Museum

Linear scale engraved "Biswanger Prag" and folding square with quadrant arc, brass, as found in mine surveyor's kits, in fitted wooden box inscribed "GH 1757", with pencil, B1729, R5161

Details

Category:
Mathematics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1989-621
Materials:
brass
type:
drawing instruments, scales (rules) and folding set squares
credit:
On loan from the Wellcome Trust