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 an image based on Lissajous curves

Etymologies

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Examples

  • He also gives a history of math and music dating back to Pythagoras, and includes schematics for building your own harmonograph.

    Boing Boing 2009

  • 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

  • The Wikipedia page only includes one image of an harmonograph that does not show how it works.

    Boing Boing 2009

  • The Wikipedia page only includes one image of an harmonograph that does not show how it works.

    Boing Boing 2009

  • Here's a "welcoming committee" using casts of the artist's hands, each holding a "harmonograph" drawing of the universe.

    This week's new exhibitions 2011

  • The Wikipedia page only includes one image of an harmonograph that does not show how it works.

    Boing Boing 2004

  • The Wikipedia page only includes one image of an harmonograph that does not show how it works.

    Boing Boing 2004

  • The simplest form of harmonograph is shown in Fig. 168.

    Things To Make Archibald Williams

  • -- For the Rectilinear type of harmonograph wooden rods 5/8 to

    Things To Make Archibald Williams

  • 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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