The Bowman Technical School was founded by watchmaker Ezra F. Bowman in 1887 to teach the trade of watchmaking and engraving. During World War I, the Bowman Technical School trained soldiers to repair delicate aviation and naval instruments.
Surveyor's compass, marked John Vogler, Salem, N.C. John Vogeler (1783-1881) served his apprenticeship under Christoph Vogeler, his uncle, and is known to have made guns. He called himself a silversmith and a watchmaker. He opened his shop in Salem about 1806. Courtesy Old Salem, Inc.