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Drawing Instruments, 19th Century Harmonograph, 1909

Drawing Instruments, 19th Century Harmonograph, 1909
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Not available to clients invoiced in the UK
Largest available format 2476 × 3504 px 1 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB] Online Purchase
Large 2476 × 3504 px 210 × 297 mm 739 KB
Medium 724 × 1024 px 61 × 87 mm 685 KB

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IMAGE number
UIS5076106
Image title
Drawing Instruments, 19th Century Harmonograph, 1909
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Location
Science Museum, London, UK
Medium
photography
Image description

Drawing Instruments, 19th Century Harmonograph, 1909. The Harmonograph was originally invented in the 1870s as a means of analysing vibrations, and was particularly useful for the study of sound. By the time of this example, made by Newton and Co, it was regarded as just a scientific toy for drawing patterns. The pen and drawing table are mounted on pendulums and are set swinging at right angles to each other. The pen is lowered carefully to the table and traces out the resulting combination of the two vibrations. The pendulums can be made to swing more quickly or slowly by altering the number and position of the weights. ©SSPL/Science Museum

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SSPL/UIG / Bridgeman Images
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