Cross-lock tweezers with cup to hold pearls, or the like

作者: Bruno Baschenis

DOI:

关键词:

摘要: Cross-lock tweezers for holding a pearl in mounting during permanent setting of the mounting. The have pair elongated, resilient arms that are secured together at one end, extend along their respective lengths, adjacent to each other, cross over and end gripping jaws. One jaws is cup-shaped, includes contoured inner face, which conforms held therein firmly hold against other jaw.

参考文章(8)
Gatti Ignazio, Jewel-setting tool ,(1923)
Wilmer C Larsen, Device for holding solder ,(1954)
Phoel Philip, Jeweler's tweezers ,(1925)
Bismarck R Schwarz, Ring-sizing tweezers. ,(1916)