Horizontal Pendulum, composed of a weight, a counterweight, a mirror, a vertical column, and screws, vintage engraved illustration. Trousset encyclopedia (1886 - 1891).

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Photo credit: © Patrick Guenette / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: apparatus, change, compass, direction, horizontal, instrument, instrumentation, needle, pendulum, physics, plane, seismograph, suspended, suspension, zollner