1949 Edition Watchmakers Handy Manual Missouri Watch Supply Company Vintage spiral-bound manual produced in 1949 featuring materials offered for the benefit of watchmakers. Includes chapters on factory trade marks, mainsprings, friction jewels system, crowns system, and many more, with extensive index tables featuring information about size, material, and more. 174 pages
C & E Marshall Co.
1949
C & E Marshall Co.
Reference