Miniature nickel silver double arm protractor in case – Piggott, London.

Miniature nickel silver double arm protractor in case – Piggott, London.

£395

Circa

1850

Country of manufacture

UK and Ireland

Categories: Scientific, Drawing Instruments

Description

Quite rare; a 4.5 inch nickel silver double arm protractor by Piggott, London, with geared adjustment via a thumb-wheel, the swining arms with pointers and steel springs (one missing), divided from 0 – 360 down to a half degree, the vernier reading to 15 arc seconds. The reverse engraved with previous owners name, ‘H. Stone’. Contained in original mahogany case 13.5 x 13.5 cms with two fastening hooks.

Probably either George or Peter Piggott with a combined working range date from 1816 – 1859.

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GB Scientific Inspirations

Scientific Inspirations

I live in Lancashire (U.K.) and have been a dealer and collector of scientific and nautical instruments for a number of years. My stock has included some fine items from museums and colleges, which were surplus to their requirements. I occasionally purchase some interesting items from abroad, having established some reliable sources.

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