These are a nice set of quality vintage tools. Goodell-Pratt was a brand under Miller falls and they went out of business in 1966 so these are at least 50 years old. There is a previous owner marking on the 4" pair "York" but it doesn't effect the operation or accuracy of the tool Just York wanted to keep tract of his tools.
Applications Inside, Outside Calipers & Dividers Designed for toolmakers and mechanics who require finer adjustment and better balance. Hermaphrodite Calipers Chiefly used for locating shoulders or the center in shafts. Features Styles include solid nut.
Applications Inside, outside, depth and step measurements. Features Accuracy:0~6":±.001"; 8~12":±.002" Extra-large dial face for easy reading. Hardened stainless steel throughout.
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