Vibration Collection

Musical theories of Pythagoras, 1492. Creator: Unknown
Musical theories of Pythagoras, 1492. Men playing musical instruments and making sounds. At top left, an anvil is struck with hammers

Pendulum-Room at the Bottom of the Harton Coal-Pit, 1854. Creator: Unknown
Pendulum-Room at the Bottom of the Harton Coal-Pit, 1854. Experiment to determine the weight of the Earth. The apparatus consists of two astronomical clocks with compensation pendulums

NASA research into rotor blades. Creator: NASA
NASA research into rotor blades. Rotor blades made with piezoelectric materials can flex when subjected to electrical fields

Curtiss Challenger R-600, 2-Row, Radial 6 Engine, Circa 1928
The Challenger engine, which followed the water cooled Curtiss V-8 OX-5 engine that powered the World War I JN-4 " Jenny" trainer aircraft, was designed as a lower-cost

George Constantinescu, Romanian scientist, engineer and inventor, (c1924). George (Gogu) Constantinescu (1881-1965) registered over 130 inventions during his scientific career

Ernst Florens Friedrich Chladni, German physicist, c1895. Chladni (1756-1827) was a pioneer of acoustics who developed the technique where sand vibrated on a metal plate forms regular symmetrical

Mid-19th century Phonautograph, c1880. Vibrations produced in cone traced on lamp blacked cylinder

Mid-19th century Phonautograph, c. 1906
Mid-19th century Phonautograph, c.1906. Plaster of Paris barrel with brass tube at a with hogs bristle attached to trace vibrations produced in AB on lampblacked cylinder C

Mid-19th century Phonautograph, 1872. Tuning fork vibrated by bow or iron rod, and vibration traced on cylinder coated with lampblack

Pythagoras (560-480 BC), Greek philosopher and scientist, demonstrating mathematical relationships. Recognised mathematical relationship between length of vibrating string, column of air

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