$711
Seven Brass, Steel and Nickel Watchmaking Tools, 19th/20th centuries, including tools for uprighting, poising, and spring vibrating, one tool housed in an octagonal box, ht. 1 1/2-4 3/4 in. Note: Crom #2 discusses balance tools in general and "vibrating spring" tools specifically in pp. 370-375, and especially in figures 770-772. Poising and uprighting tools get coverage in the same volume on pp. 611-615.
Auctioneer:
Skinner
Date:
2010-05-01