Estimated Date: 1914
Manufacturer: G. Pilling and Son
Description: 1.5” circular anaeroid scale, calibrated from 0 to 300 mmHg. Indicated 2 mm scale, Faught and made by G. Pilling. The base has two tubes to connect cuff and insufflater. Patent date on back. There is a ring to attach to a cuff on the back. Gilded. Contained in a leatherette box complete with cuff.
Reference 1: 400