B58-749
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Item no.: 161887375547
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Private
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B58-749 GRAVITY INCLINOMETER. Stevens-Prentice "Universal.". Mantleclock design with aluminum housing on steel base. The dial itself is marked only "Universal Inclinometer Milwaukee USA" and "Patents Pending" but there is an original instruction sheet that shows that it was manufactured by the Stevens-Prentice Manufacturing Co. An article from the 1922 American Machinist (copy included) dates it to the 1920s. In immaculate condition in its original plush-lined box. Fine 200-400
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