Circular metal timer clock, 5-60 min. Ananlogue, about 1920s. Possibly used to time reaction and incubation times. Used by Commonwealth Serum Laboratories (CSL) Limited , Parkville, Victoria.

Physical Description

Cylindrical shape, brass with white face and black numbers and markings. Brass ring attached to knob, Stabilised by two leg supports. Back three mechanisms for winding and adjusting.


Example of early laboratory apparatus used at Commonwealth Serum Laboratories.

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