Weather compendium combining cistern mercury barometer, alcohol thermometer and thread hygrometer by George Graham, Fleet Street, London, 1739 Weather compendium by George Graham Meteorology 1739
Watchmaker's whalebone bow. The string wraps once around the spindle of a drilling turn (1910-16/1). The bow is made from whalebone with a fine gut band. Watchmaker's whalebone bow Hand and Machine Tools Unknown
