Brass protractor, sector and caliper

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Brass protractor with moving beveled arm, engraved and signed Siraut fils à Ypre (... and sons).
18th Century
Length: 23,7 cm (9-1/3 in.)

Engraved brass sector
18th Century
Length: 23 cm (9 in.)

Steel and brass caliper, engraved and signed Vande à Paris.
Within its green leather case.
Circa 1800
Length: 19 cm (7-1/2 in.)

Condition report :

Bibliography :

Provenance :

  • Items quantity:  3
  • Height in cm : 23 cm
  • Width in cm : 23 cm
  • Depth in cm : 3 cm
  • Expertissim Reference: 2014090442