A BRASS UNIVERSAL RING DIAL, signed J. Fowler, LONDON , mid 18th century, engraved with 360 degree scale at 90 degree intervals for South and North latitudes, enclosing pivoted chapter ring and support for pinhole sight engraved with calendar (in Spanish) and with scales indicating the Sun's meridian altitude and position in the Zodiac-- 6in. (15.2cm.) diam.
A BRASS UNIVERSAL RING DIAL, signed J. Fowler, LONDON , mid 18th century, engraved with 360 degree scale at 90 degree intervals for South and North latitudes, enclosing pivoted chapter ring and support for pinhole sight engraved with calendar (in Spanish) and with scales indicating the Sun's meridian altitude and position in the Zodiac-- 6in. (15.2cm.) diam.
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