Universal ring sundial

Made:
North and Central America and Spain
maker:
Manuel de Ballesteros
Universal ring dial

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Universal ring dial
Science Museum Group
© The Board of Trustees of the Science Museum

Universal ring dial, inscribed with names and latitudes of various places in Central America, by Manuel de Ballesteros, probably Spain, for use in Central America, between 1750-1850 (see note).

Details

Category:
Time Measurement
Object Number:
1938-369
Materials:
metal (unknown) and brass (copper, zinc alloy)
Measurements:
overall: 3 mm 81 mm, .06kg
type:
universal ring sundial
credit:
Mr W.E. Miller