A silver and gilt-brass German Augsburg dial
by Johann Martin Willebrand (1714-1742), early 18th century
silver hour band set in gilt-brass ring with engraved floral motif divided 3-12-9, subdivided to the quarter-hour, gilt-brass gnomon, engraved hand pointer for latitude, shaped gilt-brass latitude arc [0°]-90° subdivided to 2°, shaped and decorated gilt-brass support for brass plumb bob, silver dial plate and compass with four-point rose SE, OR, OC, ME, gilt-brass compass base with table of latitudes for 36 cities, three gilt brass bun feet, shaped and decorated gilt-brass brace for plumb bob support, signed Johann Martin Willebrand, a Augusta 48, in black-leather octagonal case with orange-silk lining
2¼in. (6cm.) diameter
A silver and gilt-brass German Augsburg dial
by Johann Martin Willebrand (1714-1742), early 18th century
silver hour band set in gilt-brass ring with engraved floral motif divided 3-12-9, subdivided to the quarter-hour, gilt-brass gnomon, engraved hand pointer for latitude, shaped gilt-brass latitude arc [0°]-90° subdivided to 2°, shaped and decorated gilt-brass support for brass plumb bob, silver dial plate and compass with four-point rose SE, OR, OC, ME, gilt-brass compass base with table of latitudes for 36 cities, three gilt brass bun feet, shaped and decorated gilt-brass brace for plumb bob support, signed Johann Martin Willebrand, a Augusta 48, in black-leather octagonal case with orange-silk lining
2¼in. (6cm.) diameter
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