Interesting and rare electric time recorder, the 12" silvere...

Estimate

£500 - £800

Interesting and rare electric time recorder, the 12" silvered chapter ring enclosing a skeletonised centre and inscribed Periodograph Time Register System, Manufactured by Gisholt Machine Co., Madison, Wis., U.S.A., Patents Issued & Trade-mark Registered in U.S.A. & Foreign Countries, within an Art Deco style light oak glazed case, bearing a plaque beneath the dial inscribed Control Clock For Periodograph Register Circuit...no. 2027, 38" high