Paul Perret No. 61 Hairspring Vibrator and Other Tools, cast brass base engraved in part "No. 61/Brevete/S.G.D.G/Chaux-de-Fonds," in its original fitted box, with a boxed poising tool stamped "Made in Switzerland," a brass Jacot tool, a brass-mounted cutting engine, and a spherometer engraved "J. Duboscq Paris" on the indexing plate. Estimate $300-500 Items may have wear and tear, imperfections, or the effects of aging. Any condition statement given, as a courtesy to a client, is only an opinion and should not be treated as a statement of fact. Skinner shall have no responsibility for any error or omission.
