Modern turret timepiece, fitted with Grimthorpe’s double three-legged gravity escapements, Gillett & Johnstone Ltd, Croydon, Surrey, England, 1945-1952. Grimthorpe’s escapements made in 1849-1859. Turret timepiece fitted with pendulum, driving weight, chain and counter weight, and switching weight, chain and counter weight.
- Time Measurement
- Object Number:
- aluminium alloy, brass (copper, zinc alloy), electronic components, iron, lead (metal), mercury, nickel-alloy, plastic (unidentified), steel (metal) and wood (unidentified)
- turret clock
- furnishing and equipment
- measuring device - instrument
- Gillett and Johnston Ltd.