Vintage Pencil Sharpener Restoration & Modification

For a long time I've wanted to restore one of these old hand cranked pencil sharpeners. Restoring mechanical items is always so interesting and this type of vintage sharpener are beautiful. The sharpener was very rusty and it didn't sharpen pens very well so it was in need of a restoration. This pencil sharpener is made by Boston but I'm not sure what year it is. Possibly from the 1940's.

I started the restoration by removing rust from rusty parts with rust remover. The shiny part on the shell has not really rusted but the rust on the surface is probably from the other parts so I didn't put it in the rust remover. That part I first polished, but I found out there was a little corrosion damage on it anyways so I went back and sanded away most of the damage and then polished it again.

After rust removal there was still some paint left on the parts so I used paint remover and steel brush to remove the paint. Then the parts were re-painted black.

Because the blades seemed dull I decided to try to sharpen those with acid bath. I used vinegar. When the blade is in vinegar it will corrode a little which will leave the edge of the blade sharper. I left the blades in vinegar for maybe 2 hours. This same technique is used to sharpen files.

The metal part on the handle only needed some polishing so I did that. And the wooden part was first sanded to remove some whatever was left of paint that had been there and then waxed.

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