Interval timer made by the Clock & Watch division of Smith Industries Limited in Great Britain circa 1950s. Appears to work... set your time on the dial and depress the lever on the right - when the time has elapsed the bell will sound and the lever will return to the top to be used again. Timer comes with its original base with mounting holes. Missing wing nut knob on back, see photos.
Height: 4 1/2"
Back inscribed: Manufactured by English Clock Systems, A branch of the clock and watch division of Smiths Industries Limited
Very good vintage condition: appears to work, missing wing nut knob on back; some scratches on clear plastic cover and case from use, see photos. waa3