Physical description

Hand-made manometer is mounted on a flat, rectangular chrome platform. It comprises three valves labelled A, B and C. Valve C is connected to a glass measuring cylinder via a curved metal pipe. Item also includes a small spanner and brown plastic mock leather case with metal clasp, hinges and studs.

Inscriptions & markings

Engraved into the floor of the device are the instructions on what valves to open and shut for 'infusion, fill and read'.
Engraved on spanner: Geoffrey Kaye
Engraved on clasp of case: Kaye BJ.2749