This restoration is on an antique check/cheque perforator made by the B.F. Cummins Co. This tool was patented in 1918 and the original patent document can be seen here: patents.google.com/patent/US1...
The perforator was recently sent to me by a viewer and was interesting enough to try and restore right away. It was used to cancel checks by marking them with the word "PAID" and the date.
I decided to give the tool a brand new coat of japanning as that was the original finish. I ended up using 3 coats of japanning on all castings. The punch plate for the perforator was made out of aluminum and most of the pins were incredibly stuck. For some reason, the pins are surrounded by an incredible amount of solder, for no discernible reason. The brass rings help index the proper date to perforate the paper and must have been an absolute nightmare to machine. I had to nickel-plate a bunch of parts for this machine as well.
In the end it worked well and I wish it could do letters as well as that would much more fun!
I would like to thank Evapo-Rust for sponsoring this video.
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