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Rare HUMPHREY Patent 1886 Marking Gauge
A rare 7.5 inch example patented by Frank A. Humphrey of Worcester, MA. Humphrey was granted two gauge patents in September, 1886 – the first on Sept. 7, and the second on Sept. 14. This example is THE gauge shown on page 79 of American Marking Gauges by Milton Bacheller, and was part of his legendary gauge collection. Two original photographs and over three dozen pages of Milton’s research for his book will be included with this gauge.