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Step 4The rosette cutter/tooth scraper/calliper
Unfortunately I don't seem to have photos of this tool being made or actually used, I'll correct that as soon as I have a new camera.
Any piece of steel that you can work will be fine as it is much harder then wood, softer steel will have to be sharpened often but is probably in keeping with the average hardness of steel available historically. Don't get me wrong there were hard steels available that scissors and razors were made from but the average was not that great.
The best way to make this is with a piece of 1/4 x 1/16 x 8 inch piece of softened tool steel then temper it as hard as possible but if you don't have those skills it's OK because steel is harder then wood and you'll just have to sharpen it more often, a convex or oval crosssection jewelers file is great for shaping the cut after you make it with a hacksaw..
Expect better info as soon as I have the camera.
Any piece of steel that you can work will be fine as it is much harder then wood, softer steel will have to be sharpened often but is probably in keeping with the average hardness of steel available historically. Don't get me wrong there were hard steels available that scissors and razors were made from but the average was not that great.
The best way to make this is with a piece of 1/4 x 1/16 x 8 inch piece of softened tool steel then temper it as hard as possible but if you don't have those skills it's OK because steel is harder then wood and you'll just have to sharpen it more often, a convex or oval crosssection jewelers file is great for shaping the cut after you make it with a hacksaw..
Expect better info as soon as I have the camera.
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