Silverwork and jewelery; a text-book for students and workers in metal, by H. Wilson (1903)
Wilson, H · New York, D. Appleton and company · leaf 181
I lO. … der Fig. the Gold Work pearance and strength (fig. iii). This done, again boil out clean, and having made three circles of wire, size 22, solder them together asin fig. 112. Takea short length oftube, like that youmade for the cen-tral boss, and tapit with a femalescrew; file up theends true and…
Silverwork · Jewelry
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