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A 19th century Austrian brass equinoctal compass sundial
A 19th century Austrian brass equinoctal compass sundial signed Sadler in Wien on a silver dial with compass needle, a compass stop level, cross bubble, the shaped base with folding latitude arc, the hour ring with spring loaded pin gnomon, with three levelling feet, in mahogany case -- 7.8cm. wide
A 19th century Austrian brass equinoctal compass sundial signed Sadler in Wien on a silver dial with compass needle, a compass stop level, cross bubble, the shaped base with folding latitude arc, the hour ring with spring loaded pin gnomon, with three levelling feet, in mahogany case -- 7.8cm. wide