Timezones
Pictured: Waltham “Twenty-Four Hour Division Dial” Fitted on a 18-Size P.S. Bartlett Movement, c.1907. The adoption of standard time by the railroad industry in 1883 spurred a flurry of innovative.
Pictured: Waltham “Twenty-Four Hour Division Dial” Fitted on a 18-Size P.S. Bartlett Movement, c.1907. The adoption of standard time by the railroad industry in 1883 spurred a flurry of innovative.