Tecton1con Posted August 4, 2021 Report Share Posted August 4, 2021 Hi there, I have this weird little brass rule that has been gathering dust, as I don't know who made it, when - or the likely purpose. I wondered if anyone has seen one like this before, and what its original purpose might have been? Not sure if it's clear from the photos, but this is quite small - just over 7 inches long, and 3/4 of an inch wide, with the brass cursor being 1 inch wide. It carries 2 scales on the up side of the body (0 to 165 and 0 to 11.5), one scale on the central slide (0 to 14.5) and another full length scale on the reverse of the body (500 to 4200). It also has a graduated scale on the cursor itself (0 to 4 in quarter divisions). The numbers are so tiny, they are hard to see without a loupe. I realise these things can be unfathomable without a user booklet, but any help you can give would be most appreciated. Kind regards, Russell Quote Link to comment Share on other sites More sharing options...
Eric - TIA Posted August 6, 2021 Report Share Posted August 6, 2021 You got me but that look beautiful. I love old tools. 1 Quote Link to comment Share on other sites More sharing options...
Patriot77 Posted August 7, 2021 Report Share Posted August 7, 2021 That is a millwright tool used in motor alignments and hole depth checker and many other things you can do with it 2 Quote Link to comment Share on other sites More sharing options...
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