Winding key for eight-day pendulum table clock

Made:
1947-1949 in Bath
Winding key for eight-day pendulum table clock

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Winding key for eight-day pendulum table clock
Science Museum Group
© The Board of Trustees of the Science Museum

Winding key, for eight-day pendulum table clock with star-wheel magnetic escapement, 1947-1949

Details

Category:
Time Measurement
Object Number:
1949-114/3
Materials:
brass (copper, zinc alloy) and steel (metal)
Measurements:
overall: 7 mm x 52 mm x 45 mm, .15kg
type:
pendulum clock
credit:
Horstmann Clifford Magnetics Ltd.