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Welcome! Today I'll be restoring an old rare store door thumb latch mortise lock set. This lock set was made in the 1880s-1890s by Reading hardware, and is called the Windsor design in their catalogs. I've restored a number of Reading Windsor hardware in past videos that will all be put to use on a set of double doors in the future. This project was much larger than most of my restorations - It ended up taking around 250 hours to complete, and was worked on over the course of 8-9 months.
To start off today's hardware restoration I ground off the rivets holding the thumb latches to the backplates. Following this I disassembled the outrageously filthy mortise lock was pretty decently worn, including a small chip in the cast iron case cover, but still worked very well. Next up was paint stripping. Two of these backplates had been paint stripped in the past, but still needed lots of work to remove all the specks of paint here and there. After many hours of paint stripping I threw the steel and iron mortise lock parts into the rust removal solution. None of these parts were too rusty, but a quick soak in rust remover can never hurt!
Next up in the restoration I wire wheeled all the parts to remove any stubborn gunk adhered to the recessed areas. With all the parts clean I started work on the lock. The case and case cover were both japanned. The small parts were then chemically copper plated. I've never used chemical copper plating before, but the parts turned out looking pretty good. The remaining parts were then cold blued. Bluing steel is always weirdly satisfying to watch I find haha. After this I filed down a new flat key for the lock out of two sheets of phosphor bronze that I riveted together.
With the lock done it was time to restore the jumbo hardware. The antique backplates, handles and latches were all very bent and required no less than 24 hours of unbending total. After unbending I re-drilled the worn holes in the latches, riveted in a stainless steel rivet and re-drilled new holes. The large backplates had six unoriginal holes drilled in them - I ended up making six custom shaped bronze rivets and filled the holes with them. The next restoration work to take place was 60 or more hours of sanding. Each part was sanded from 400 grit up to 2,000 grit. They were all then given a quick polishing.
Now the backplates, handles and latches were all lacquered with a slightly golden tinted clear lacquer. Many hours of lacquering later and the parts were ready for painting. The recessed areas were all painted with a gloss black to match how they looked originally. Now it was finally time to get everything reassembled. I temporarily attached the thumb latches with a half rivet half screw which I made off camera, but will be swapped to a proper rivet when they are installed on the doors. It was nice to see this project finally come together after all this time! I still have to restore a letter slot and hinges for the doors, but those will be featured in future videos.
Time Stamps:
0:00 Welcome!
0:51 Disassembly
3:19 Paint Stripping Lock
4:38 Restoring the Case
5:26 Japanning the Case
6:24 Restoring the Faceplate
8:05 Making New Springs
8:57 Restoring Small Parts
10:04 Chemical Copper Plating
11:23 Cold Bluing
12:17 Reassembling the Lock
13:51 Making a Key
14:52 Improving the Lock
15:47 Paint Stripping Backplates
17:13 Restoring the Worn Latches
20:53 Cleaning/Unbending Backplates
22:52 Cleaning/Unbending Handles
23:51 Restoring the Backplates
29:53 Restoring the Handles
31:12 Reassembling the Backplates
32:02 Before and After
33:16 Temporary Display Installation
35:37 Thanks For Watching!
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Thanks for watching the video Very Rare 1890s Store Door Lockset Restoration | Random Restoration