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en.wikipedia.org/wiki/Pantograph

A

math.stackexchange.com/questions/110821/how-can-i-determine-the-scale-factor-of-a-pantograph-from-the-ratio-of-the-arms

Feb 19, 2012

www.cut-the-knot.org/Curriculum/Geometry/Pantograph.shtml

The applet simulates a linkage device known as

mathworld.wolfram.com/Pantograph.html

Cundy, H. and Rollett, A.

mathforum.org/library/drmath/view/56719.html

Do you have any information regarding the

www.cerme7.univ.rzeszow.pl/WG/1/CERME7_WG1_antonini_martignone.pdf

the argumentation can refer to different elements of the

www.ask.com/youtube?q=Pantograph Mathematics&v=BsDpRfXi8-4

Apr 13, 2015 ... Blue, orange, green and yellow bars create a pantograph . Two red pins and blue
one are in line. The blue pin traces a circle. Its center O lays ...

www.mathsinstruments.me.uk/page40.html

I presently have four professional

sinus.uni-bayreuth.de/math/tnt_math_08.pdf

SINUS international. Towards New Teaching in

paulscottinfo.ipage.com/linkages/1pantograph.html

We remember Scheiner for constructing the first