Definitions
from The Century Dictionary.
- noun An apparatus in which two pendulums vibrate at right angles to each other, the movement of a stylus or pen attached to one making a record on a plane surface supported by the other.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A mechanical device that uses a combination of
pendulums to generate animage based onLissajous curves
Etymologies
Sorry, no etymologies found.
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Examples
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He also gives a history of math and music dating back to Pythagoras, and includes schematics for building your own harmonograph.
Boing Boing 2009
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The harmonograph was a popular 19th-century parlor pastime that created art similar to a Spirograph, but with a much wider range of variables.
Boing Boing 2009
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The Wikipedia page only includes one image of an harmonograph that does not show how it works.
Boing Boing 2009
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The Wikipedia page only includes one image of an harmonograph that does not show how it works.
Boing Boing 2009
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Here's a "welcoming committee" using casts of the artist's hands, each holding a "harmonograph" drawing of the universe.
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The Wikipedia page only includes one image of an harmonograph that does not show how it works.
Boing Boing 2004
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The Wikipedia page only includes one image of an harmonograph that does not show how it works.
Boing Boing 2004
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The simplest form of harmonograph is shown in Fig. 168.
Things To Make Archibald Williams
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-- For the Rectilinear type of harmonograph wooden rods 5/8 to
Things To Make Archibald Williams
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If you are making a harmonograph of the type shown in Fig. 168, use a gimbal for the platform pendulum, and design it so that the upper suspension gives a motion at right angles to the pen pendulum.
Things To Make Archibald Williams
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