A GEORGE III MAHOGANY BAROMETER
LATE 18TH CENTURY, SIGNED S. BITHRAY, ROYAL EXCHANGE
The domed glass front enclosing an etched steel indicator above the rounded case with thermometer over a cistern base--37½in. (95cm.) high
Lot Essay
The maker is probably Stephen Bithray, optician of North Gate, 29 Royal Exchange, London (1827-60) who was noted for his microscopes (N. Goodison, English Barometers 1680-1860, 1977, p.302).