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Article #9319

Useful Trig Formulas on a Circular Slide-Chart (AD)

#9319
From: Rich Stolarczyk
Date: Sat, 16 Sep 1995 00:00
21 lines
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       New TRIG-DIAL Circular Slide-Chart
       ----------------------------------
For Engineers, Toolmakers, Inspectors or Students.
On one side is a triangle with inscribed circle and on
the other is a circle with segments of circles, areas, etc...
You can calculate depth and width of cut with various angles
and radii on the cutting tool.  Als, formula for the false ellipse,
closely approximating true ellipse -- and much more.  Just rotate
the dial to desired letter and corresponding formula appears in a
window.  These unique formulas are not in the Machinery's Handbook.
Comes complete with instructions and examples on the use of the
formulas.
 
To receive a illustrated salesletter about Trig-Dial please reply
with your postal address.
 
Thank you
-- 
ab095@po.cwru.edu
--
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From: ab095@cleveland.Freenet.Edu (Rich Stolarczyk)
Subject: Useful Trig Formulas on a Circular Slide-Chart (AD)
Date: 1995/09/16
Message-ID: <43f0il$eo@usenet.INS.CWRU.Edu>
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organization: Case Western Reserve University, Cleveland, Ohio (USA)
newsgroups: ca.test