Circular Saw Blade Tid-Bit... - Router Forums
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post #1 of 16 (permalink) Old 10-20-2019, 01:53 PM Thread Starter
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Default Circular Saw Blade Tid-Bit...

So I'm deeply engrossed in a wonderful book by Mr. Wally Kunkel (How to Master the Radial Saw) and, among many interesting things he mentions, I thought this extract would be interesting to you...here goes...

"...but since the time of the Egyptians, and through century after century thereafter, the story has changed very little: Straight, toothed blades, moving in-and-out or up-and-down, were powered by man until the 15th Century, by water to the 18th Century, and by steam in the 19th Century. Then, in one fell swoop, all kinds of good (and not so good) things began to happen - all because a quiet little lady, hidden away in a monastic Massachusetts community, had a great idea and did something about it. Sister Tabitha Babbitt of the Harvard Shakers invented the circular saw blade. The year was 1810..."

Now, tell me this doesn't pique your interest to read on and find out what he means by "and not so good"...

He goes on to describe how automation all but eliminated the mastery of the designers of the past giving examples of certain architectural techniques that were eventually lost because tools changed...

If you're a RAS fan...this is one fantastic book...alignment, blades, cross-cuts, rips, bevels, compound miters/bevels, dado heads, rabbets, shaping, etc...

...and if you're not, maybe it might help you understand those that are...
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post #2 of 16 (permalink) Old 10-20-2019, 02:05 PM
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I suppose you dated her too...

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
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post #3 of 16 (permalink) Old 10-20-2019, 03:23 PM Thread Starter
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I suppose you dated her too...

Let's see...history doesn't mention it but where do you think she got the idea from...(maybe it was during "pillow talk")
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post #4 of 16 (permalink) Old 10-20-2019, 03:36 PM
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Let's see...history doesn't mention it but where do you think she got the idea from...(maybe it was during "pillow talk")
wait till Gracie finds out...

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
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post #5 of 16 (permalink) Old 10-20-2019, 03:53 PM
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And all this time I thought it was Sears or Roebucket.

Just saying,
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post #6 of 16 (permalink) Old 10-20-2019, 03:57 PM
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Getting close to an edge here...

Of course, manufacturing was changing just then so it was possible to cut such blades soon after she invented them.

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post #7 of 16 (permalink) Old 10-20-2019, 05:47 PM Thread Starter
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What I wonder is while she was inventing the circular blade...who was inventing the tool to use it...just thinkin'

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post #8 of 16 (permalink) Old 10-20-2019, 06:33 PM
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What I wonder is while she was inventing the circular blade...who was inventing the tool to use it...just thinkin'
Babbitt and Costello were the two who invented the circular saw. She did the blade and he did the rest of the saw.
Heeey, Babbitt!
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post #9 of 16 (permalink) Old 10-20-2019, 09:22 PM
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https://www.yorksaw.com/history-circular-saw/

Record shows that the circular blade had been around for decades in Europe, and that Babbitt independently invented the blade in the US. As a Shaker, she didn't believe in patenting it. Again, a second person invented the saw mechanism, using a belt to increase the spin speed of the blade. These early blades were quite large and were used mainly in mills. Remember that at the time, there were massive amounts of matur hardwood in North and Eastern forests.
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post #10 of 16 (permalink) Old 10-20-2019, 10:13 PM Thread Starter
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...more tid-bits are better than less...

...and even though she did not apply for patent, she is still acknowledged in the lumber industry for her "spinning wheel" contributing to their success...

You go, Tabitha...! ! !

(same article)

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