Around 1869, the National Watch Company (Elgin) faced the reality that the safety pinion used in its watch movements was inherently flawed. As a result, the company was forced to.
While Charles W. Fogg is generally credited with creating the first safety pinion in America, Merritt Burt actually secured a patent for his safety pinion design a few months before.
National Watch Company (Elgin) B.W. Raymond #829 Marked "Burt's Patent" "Mainspring Events" The large mainspring that serves as the power source for a mechanical watch movement can also become a.
