Altitude quadrant

Made:
1552
European horary quadrant, 1552. Brass horary Gunter quadrant, dated 1552 ( 9-inches radius) shadow square and degree European horary quadrant, 1552. Brass horary Gunter quadrant, dated 1552 ( 9-inches radius) shadow square and degree European horary quadrant, 1552. Brass horary Gunter quadrant, dated 1552 ( 9-inches radius) shadow square and degree

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European horary quadrant, 1552. Brass horary Gunter quadrant, dated 1552 ( 9-inches radius) shadow square and degree
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London

European horary quadrant, 1552. Brass horary Gunter quadrant, dated 1552 ( 9-inches radius) shadow square and degree
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London

European horary quadrant, 1552. Brass horary Gunter quadrant, dated 1552 ( 9-inches radius) shadow square and degree
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London

Altitude quadrant, maker unknown, made in Europe, 1552.

Altitude quadrants are mathematical instruments that were used for simple surveying tasks. This quadrant has equal and unequal hour scales on the front. On the reverse there is a scale for measuring altitude in degrees and a shadow square.

Details

Category:
Astronomy
Object Number:
1952-228
type:
altitude quadrant
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • timepiece
  • horary quadrant
credit:
Backer, H.E.