Haines Gauge
Q: I have an antique sheet-metal-thickness gauge. It’s stamped “Haines Gauge Co., Philadelphia, Pa.” and “A 12614.” Can you tell me the approximate age and correct name of this tool? A: Robert B. Haines Jr. (1857-1932) of Coatesville, Pennsylvania, was granted a patent for this “micrometer gage” on Feb. 9, 1892. It was used in […]