2012/02/20
2 notes

1709

Engraved Plate 8 featuring compasses from Nicolas Bion’s Traite de la construction et des principaux usages des instrumens de mathematique (The Hague, 1723; first published in Paris in 1709). (A) hair compasses, (B) German compasses, (C) wing-divider, (D) wing-compass with metal cutting inserts, (E) 3-legged compass, (F) sea-chart compasses, (G) fixed proportional compasses, (H) variable proportional compasses, (K) beam compass, (L) elliptical compasses, (M) spherical compasses, (N) cylindrical compasses, (O) equal or symmetrical spherical compasses. Science Museum Library, London.

Drawing Instruments 1580-1980, Hambly M, 1988

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