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Thread: Making fine saws
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5th June 2014, 02:12 PM #1SENIOR MEMBER
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Making fine saws
Now here is an interesting tooth cutting technique that Ray will relate to, from Popular Mechanics March 1905. Click on to read, or use a magnifying glass close to the screen.
PopMechMar1905.png
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5th June 2014 02:12 PM # ADSGoogle Adsense Advertisement
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5th June 2014, 09:51 PM #2
Interesting ideas ,
I like the gauge idea but grinding one side off a three cornered file not so sure of.
Yes I understand why.
But it's hard enough getting descend fillies these days .
Having to sacrifice one edge immm.
The potato as a heat sink well that's new to me I wonder how that would go .
Not trying to be critical of the potato idea just haven't heard of that before ,does make sense it is in fact just a wet sponge .
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5th June 2014, 10:43 PM #3GOLD MEMBER
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I think you're on to something with the potato heat sink.
If you use the right oil, after applying heat to temper the blade you might have some nice fried potato!
Heat treatment with snacks!
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5th June 2014, 11:11 PM #4
Or two for one with the potatoes
First heat sink then while cooling eat fries lol
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6th June 2014, 08:40 AM #5
I have used a potato to protect the edge of a knife blade cold ground from a file while I annealed the back.
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6th June 2014, 03:02 PM #6SENIOR MEMBER
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6th June 2014, 03:11 PM #7SENIOR MEMBER
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Indian standards for backsaw manufacture
https://archive.org/stream/gov.in.is...e/n13/mode/2up is a short read of the 1969/1985 standards. There is no mention of hardpoint. The handle design should be popular
Cheers
Peter
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