Johnson Enlarging Timer

Circa 1954

Johnsons of Hendon Ltd London England

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Description

Johnson Enlarging Timer

Circa 1954

Johnsons of Hendon Ltd London England

Smiths Industries

2 ¼” face. Seconds and minutes hands. The time, up to 6 minutes, is set on the face of the clock which then runs down when the clock is started. A push-button starts the timer, a sliding switch controls the enlarger lamp for focusing, etc.

 

Construction: Black plastic body.

This is placed in the electric circuit of the enlarger and switches the enlarger on for the pre-set time.

 

Source: http://www.earlyphotography.co.uk