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"TAD Data" Universal Screw, Bolt, Nut Calculator
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Posted by: tracyr123

06/12/2009, 11:49:42

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I'm looking for the original TAD Data Slide Chart - Calculator made by TAD Technical Services Corp. in Beverly Ma back in the 70's & 80's.

I had one of these forever and someone carelessly through out a box of my mechanical engineering items at home!

I am willing to purchased this item from anyone who is willing to give it up! I can't find any!!!

Thanks








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: "TAD Data" Universal Screw, Bolt, Nut Calculator
: "TAD Data" Universal Screw, Bolt, Nut Calculator -- tracyr123 Post Reply Top of thread Engineering Forum
Posted by: Marky

06/15/2009, 07:10:14

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Kelly sells them right here for $16.95.

http://www.engineersedge.com/catalog/index.php/cPath/23








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: : "TAD Data" Universal Screw, Bolt, Nut Calculator
: : "TAD Data" Universal Screw, Bolt, Nut Calculator -- Marky Post Reply Top of thread Engineering Forum
Posted by: Kelly Bramble

06/15/2009, 09:55:37

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Thanks Marky,

TAD Technical Services Corp. seems to have been out of business for at least ten years. They sold several other slide chart products as well.







Modified by Kelly Bramble at Mon, Jun 15, 2009, 12:36:59


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Posted by: Sandra Reid

10/15/2009, 19:43:02

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I too believe I lost my TAD calculator. I recall it having both metric and inch on one slide card. Does the one for sale in the Engineering and Drafting Store have both? I also liked that it had two colors. (blue and red)

Thanks!








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