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Machinery Photo Index
Manufactured/Badged by:
Lodge & Shipley Machine Tool Co.
Cincinnati, OH

True Manufacturer:
Lodge & Shipley Machine Tool Co., Cincinnati, OH
Machine Specifications
Machine Class: Metal Working Machinery
Machine Type: Other
Machine Size: 3 inch
Submitted By: John Hough
Machine Specifications
Description/Model: Lathe speed calculator
Date of Manufacturer: c.1913
Serial Number: none
Last Updated 11/15/2011 3:34:55 PM

This vintage speed calculator came in a box lot of Atlas milling machine accessories. On the back it says it's a "souvenir" but doesn't say of what. Perhaps a trade or tool show. It says "it gives you in one minute: speed, feed, diameter, time of performance, decimal equivalents, and you can figure dollars and cents at your hourly rate..." I can't identify the material it is made from; it has an ivory like grain but I doubt it's actually ivory (seems a bit much for a "souvenir").

Photo 1:

Comments: Side one of the calculator
Source: John Hough: Nikon Coolpix 51c
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Photo 2:

Comments: Side two
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