A mid 19th century mahogany sympiesometer Signed twice, once for Ross & Co, 33 Regent Str., Piccadil
Lot 4
A mid 19th century mahogany sympiesometer Signed twice, once for Ross & Co, 33 Regent Str., Piccadilly and again for Ronketti, No 349.
£1,000 - 1,500
US$ 1,700 - 2,500
Auction Details
Lot Details
A mid 19th century mahogany sympiesometer
Signed twice, once for Ross & Co, 33 Regent Str., Piccadilly and again for Ronketti, No 349.
The rectangular case surmounted by an elaborate cresting over a glazed front section, the signed silvered dial with curved mercury thermometer and mercury/hydrogen tube reading against an adjustable 28 to 31 inch scale 32cm (12.5in) high.

Footnotes

  • Andrew Ross and Co worked from 33 Regent Circus, Piccadilly, London from 1840-42.
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