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Spirograph is a
geometric drawing device that
produces mathematical roulette curves of the
variety technically known as
hypotrochoids and epitrochoids...
- May 1918 – 17
September 2002) was an
English engineer who
invented the
spirograph toy and
created the
company Denys Fisher Toys. Fisher's
early years were...
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include the limaçon with R = r and the
epicycloid with d = r. The
classic Spirograph toy
traces out
epitrochoid and
hypotrochoid curves. The
paths of planets...
- IC 418, also
known as the
Spirograph Nebula, is a
planetary nebula located in the
constellation of
Lepus about 3,600 ly away from Earth. It
spans 0.3 light-years...
-
Catherine wheel (firework) List of
spiral galaxies Parker spiral Spirangle Spirograph "Fermat
spiral -
Encyclopedia of Mathematics". www.encyclopediaofmath...
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becoming 1 when d = r {\displaystyle d=r} (see Tusi couple). The
classic Spirograph toy
traces out
hypotrochoid and
epitrochoid curves.
Hypotrochoids describe...
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against forged copies. The
pattern used in this
instance is
called a
spirograph in mathematics, that is, a
hypotrochoid generated by a
fixed point on...
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Lissajous orbit Blackburn pendulum Lemniscate of
Gerono Plane curves Spirograph Wikimedia Commons has
media related to
Lissajous curves. Lawrence, J.D...
- the Easy-Bake Oven in 1963, the
Electric Mold
Master also in 1963, the
Spirograph drawing toy in 1966, and the
Starting Lineup sports action figure collectible...
-
geometric patterns. The
patterns it
produces are
similar to that of a
Spirograph, in metal. No
other ornamental lathe can
produce these "rose" patterns...
