Uncut Invar balance with bi-metallic affixes
- maker:
- Thomas Mercer
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© 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
- credit:
- Thomas Mercer Ltd.
