Uncut Invar balance with bi-metallic affixes

maker:: Thomas Mercer

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Uncut Invar balance with bi-metallic affixes
Science Museum Group
© The Board of Trustees of the Science Museum

Uncut Invar balance with bi-metallic affixes

Details

Category:: Time Measurement

Object Number:: 1929-74

Materials:: balance: 'invar' (iron, nickel and carbon), balance-spring (for use with): 'elinvar' (alloy including nickel, steel and chromium) and affixes and blades: bi-metallic

Measurements:: overall (laid flat): 7 mm x 41 mm x 37 mm, 0.0117 kg

type:: compensation balance for chronometer

credit:: Thomas Mercer Ltd.

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Uncut Invar balance with bi-metallic affixes

Details

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