Pocket case of silver mathematical instruments

Pocket case of silver mathematical instruments Pocket case of silver mathematical instruments

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Pocket case of silver mathematical instruments comprising: 4 1/2" plotting scale engraved "T Heath Fecit"; 6" folding scale stamped with the mark of Paul Crespin (1720); 4" dividers with detachable points; and a holder with pencil point and pen point for dividers, in silver mounted black leather case (4 7/8" x 1 1/4" x 3/4"), c. 1730

Details

Category:
Mathematics
Object Number:
1954-327
Materials:
silver (alloy), steel (metal), copper (alloy) and leather
Measurements:
overall (case lying flat): 20 mm x 125 mm x 35 mm, 0.11 kg
type:
drawing instrument sets, scales (drawing), drawing scales (plotting) and dividers (compass)
credit:
National Maritime Museum (Gabb Collection)