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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
Surveyor's sector, Italian, c. 1600, engraved "Adam Heroldt fecit Romae"
Surveyor's sector, Italian, early 17th century, engraved "Adam Heroldt fecit Romae". The sector was invented independantly by Galileo and Thomas Hood at the end of the 16th century. It primarily measures proportions and can contain lines concerning trigonometry, geometrical drawing and calculations on surfaces and volumes. This instrument is on the stand and is pictured with later examples.
Details
- Category:
- Mathematics
- Object Number:
- 1938-724
- Materials:
- brass (copper, zinc alloy), steel (metal) and box (wood)
- Measurements:
-
overall (display): 264 mm x 287 mm x 158 mm,
- type:
- sector
- credit:
- Thomas H. Court
