Galvanometer, England, 1921
This image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence
This image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence
This image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Galvanometer string, brass, in wooden case, made by Cambridge Instrument Co., English, 1921
A galvanometer measures small electric currents. It is sometimes used during physiological experiments studying muscle contractions. Electrodes placed upon the body pick up minute electrical impulses. These cause a string within the galvanometer to move. Movement is recorded photographically to make a tracing. The galvanometer is one of the earliest instruments used to detect and record electrical activity in the heart. It forms the basis of electrocardiograph machines.
Details
- Category:
- Clinical Diagnosis
- Object Number:
- 1979-731/1
- Materials:
- brass, case, brass, case, felt, case, wood and glass
- type:
- galvanometer
- taxonomy:
-
- furnishing and equipment
- measuring device - instrument
- credit:
- Royal Postgraduate Medical School
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Data in the title, made, maker and details fields are released under Creative Commons Zero
Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence
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