Brass Machine-a-Raboter

Description:

Brass Machine-a-Raboter, Switzerland, last half of the 19th century, bench held tool with steel runners for holding the work, pivoted cutter frame with circular cutter and sliding attachment for advancing the cutter through the work, lg. 10, ht. 7 in.

Note: These highly specialized tools for the accurate filing of tooth shapes in chronometers are discussed in Crom #2, pp 589.
Estimate $400-600

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