1910 Catalogue 91 Materials Tools and Supplies for Watchmakers Jewelers and Opticians EA Cowan and Co Vintage hardcover catalogue book detailing materials, tools, and supplies offered by E.A. Cowan and Co. Includes sections on tools, signs, clock materials, watch materials, case materials, findings, jobbing stones, jewelers, optical goods, and types of silk guards and white metal, as well as pairing black-and-white illustrations. 912 pages
E.A. Cowan and Co
1910
E.A. Cowan and Co
Reference, Historical