Copydex Joint Master Manual
The 'Jointmaster' was first offered for sale in the 70's. (A decade earlier the name of this device would have suggested an entirely different purpose!) Described by its manufacturer as a 'precision made sawing jig', these odd things turn up from time to time in my area.
It's a die-cast tool with a stove enamel finish, which holds workpieces by means of plastic dowel pins in order to make cuts between 45 and 90 degrees. It originally retailed for £4.50. In it's Mark I form, it apparently won a Gold Medal at the 1972 International Inventors Fair held in Brussels. The jig was produced by the Copydex Manufacturing Company, Ltd., with headquarters on Torquay Street in London, England. Copydex seems to have been best known as a manufacturer of glues, particularly a fishy-smelling rubber cement reputedly invented by someone with the improbable name of 'Jim Bean Sherwood.'
Copydex make joint master mk2 sawing jig second hand but in excellent condition hardly used. For all your wooden jointing needs - angled cuts framing craft work etc Fully adjustable and full instructions for use. Please see my other auctions for other craft type equipment and stuff - thanks.
Apparently, among other uses, actors applied it to ensure that their false eyelashes remained in place during long theatre performances. How they put up with the constant fishy odour isn't recorded. I have just sold mine but scanned the instructions for posterity, in case anyone anywhere finally gets-around to learning joint-making skills on it as they suggest. I can't help with spares though. The dowells looked as though they could be improvised with wood. There were some rubber grommits.
Copydex Joint Master Manual Download

And maybe something like sprung steel from any old clock-type spring would work to guide the saw? Or sprung nylon? Improvisation skills are required.
Oh, here are the instructions I don't mind if anyone copies the images onto other blogs.
Universal Joint Task Manual
If you are still looking for instructions for the above let me know and I can send copy as an e-mail attachment. I have owned mine since new in 1973 and have used it regularly as an amateur not professional. It's the MK II version. It was only by chance that I have lighted on this site as I was looking up Joint Master out of interest to see whether it is still manufactured, so joined specially to reply to your request. I have no idea how to send an attachment via this site so suggest you contact me on my own e-mail:. Regards Andrew. Search Engine Optimisation provided by - Copyright © 2018 DragonByte Technologies Ltd.
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