Other - Antique and Vintage Cameras

Adams Stop Watch Pattern

c. 1911

Adams & Co.

London

England

Image of Adams Stop Watch Pattern

Meter Type:
Actinometer.

Calibration:
Plate speed: F3.5 - F362 Wynne. Shutter speed: 1/1000 - 64s. Aperture: f3.5 - f362.

Attributes:
Stop watch with separate minute and second dial. Swiss made movement.

Serial Number:
Meter: 781. Watch: 27431 .

Notes:
Address: 24 Charing Cross Rd London WC.

This was made in two forms one being a stop watch the other a chronograph. Both had a Wynne meter attached to the rear of the case. The chronograph form was released a year or two after the stop watch. When introduced the stop watch cost 32/6 compared to an ordinary Wynne meter at 6/6. The price rose considerably after World War I.

References & Notes:
BJA 1912, p. 301. BJA 1915, p. 203.

Adams Wafer Pattern

c. 1912

Adams & Co.

London

England

Meter Type:
Actinometer.

Calibration:
Plate speed: F4 - F362 Wynne. Shutter speed: 1/1000 - 64s. Aperture: f4 - f362.

Identification:
Orange cover glass. Subject guide on reverse of case.

Notes:
Address: 24 Charing Cross Rd London WC.

The wafer pattern was a thin version of the Wynne, when introduced the cost was 8/6, it remained on sale until the early 1930s by which time the price was reduced to 5/6. The meter was available with a ring so that it could be fitted to a watch chain. The scale on this example is only marked to f4, advertisements from the BJA 1913 show the largest stop to be f3.5, also the stop below f5 is marked 5 rather than f5.6. A US dial was also available.

References & Notes:
BJA 1913, p. 746.


Company Details:

Adams & Co.

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