 | | A Riefler invar pendulum with 40 tooth rating nut with lock; image credit on full record. |
 | | The Riefler invar pendulum marked Riefler, Munchen, D.H.R. 100870, 1795; image credit on full record. |
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Pendulum; Riefler, Invar, 40 Tooth Rating Nut, 47 inch.
A Riefler invar [invar is a nickel steel alloy] pendulum, Germany, circa 1920, nickel / iron alloy components, bob marked Riefler, Munchen, D.H.R. 100... [more detail available via subscription]
p4A Item E8867720
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Category: |
clocks & watches |
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Origin: |
Germany |
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Type: |
clock dials & misc parts |
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Year: |
1915 - 1925 |
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