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English mahogany sympiesometer barometer ship Cowland 1825

An English mahogany sympiesometer, circa 1825


silvered brass plate, mahogany case.

engraved silvered plate inscribed repaired by G.H. & C. Gowland Sunderland and Improved Sympiesometer, sliding scale to the side and recording disc below, rectangular mahogany case with beveled glass panel.

Inscribed at the back; ‘This belonged to Capt. L. D.Heald Rockport Maine’ and a label; Penobscot Marine Museum.

C. Gowland is registered working Sunderland in 1811 and 1816.


(Height) 48 cm (Width) 7 cm (Depth) 3 cm
(Height) 18.9 in (Width) 2.8 in (Depth) 1.2 in




G.H. & C. Gowland Sunderland

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