细节
A SILVER POCKET THERMOMETER
The blued doubled bimetallic curb fixed to plain gilt plate, the blued steel hands operated by rack and toothed wheel, the white enamel dial with Reamur degree scale, Swiss c. 1800--62mm. diam.
The blued doubled bimetallic curb fixed to plain gilt plate, the blued steel hands operated by rack and toothed wheel, the white enamel dial with Reamur degree scale, Swiss c. 1800--62mm. diam.