A clinical mercury thermometer by J Hicks of London and patented by him in America in 1884.

It is fixed in an ornately decorated silver case marked “Sterling” on the screw top and which has a cartouche engraved with the letters “ACK”. The case has its original silver chain and safety clip. The thermometer itself is in perfect working order. It is marked “J Hicks 8,9 and 10 Hatton Garden London E.” and the number 103254.

Internal Link: Patent Document

• From the Phisick collection