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Telegraphy, Cooke & Wheatstone Wheatstone bridge, c 1843

Telegraphy, Cooke & Wheatstone Wheatstone bridge, c 1843
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Largest available format 3504 × 2890 px 1 MB
Dimension [pixels] Dimension in 300dpi [mm] File size [MB] Online Purchase
Large 3504 × 2890 px 297 × 245 mm 943 KB
Medium 1024 × 845 px 87 × 72 mm 788 KB

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IMAGE number
UIS5060835
Image title
Telegraphy, Cooke & Wheatstone Wheatstone bridge, c 1843
Auto-translated text View Original Source
Artist
Unknown
Location
Science Museum, London, UK
Medium
object
Image description

Telegraphy, Cooke & Wheatstone Wheatstone bridge, c 1843. The Wheatstone bridge is an electrical bridge circuit used to measure resistance. It consists of two potential dividers connected to a single battery. One divider is made up of the resistor to be measured and a resistor with a known value. The other is made up of two more known resistors. From this premise, the value of the unknown resistor can be found. Samuel Hunter Christie (1784-1865) was the first to describe the bridge in his publication ïPhilosophical Transactions in 1833. Sir Charles Wheatstone (1802-1875) came upon the description while researching electrical resistance as Professor of Experimental Philosophy at King's College, London in 1843, and put the bridge method to practical application to measure the length of a wire by its resistance. ©SSPL/Science Museum

Photo credit
SSPL/UIG / Bridgeman Images
Image keywords
19th century / thing / technology / communication / Telegraph - Telegraphy / tool / Science / photography

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