Rare and good plane table surveying 6 inch compass with folding alidades by Shuttleworth c.1780
Composed of mahogany wood, brass alidades, steel compass needle (still points N) and silvered dial divided into 8 cardinal points with central flourish at pivot point. Signed “Shuttleworth, London” in flowing script, this compass has it’s original glass held in place by brown colourised putty and has an engine divided and silvered outer ring in full 360, one degree divisions.
As you can see, the silvering
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