I wanting to know if any of the forum members can help with identifing the age of this Ames crankshaft caliper. It once belonged to my grandfather who was a mechanic. All help would be appreciated.
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If that tool has a patent number on it you can track down the date at this link:
http://www.antiqbuyer.com/patent_dates2.htm
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Jimmy ... there is no patent number on the gauge. If you look close you can see the "Pat's Pending" marking. Not really sure when Ames actually got the patent number for the tool.
Gordon ... yeah, if only these old tools could talk.
Norm ... Ames is still in business. I may sent them an email with the photo to see if they can provide some history about this gauge. I did find reference to it at "www.old-carburetors.com". They have a reference about it in the old "Dyke's Automobile and Gas Engine Encyclopedia", (1927). And it would appear to me that the gauge is of a 1920's vintage.
http://www.old-carburetors.com/1927-...-Dykes-093.htm
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Post your question here:
http://www.practicalmachinist.com/ubb/ultimatebb.php
...in the Antique and/or General section.
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