Mechanical timer made by English Clock Systems Ltd. The duration required is set by the knurled knob in the centre of the dial, up to 120 minutes, in minute divisions, at 10 minutes per revolution of the knob.

The upper lever at the side is pressed down to meet the lower fixed lever to wind the mainspring, and start the timer running. Metal construction available in black and silver.

• Size: 120 x 110 x 70 mm
• Weight: 466g