AD Waller's model train used in electrocardiograph experiment

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Electrocardiographic research recording apparatus. Front three quarter view. Graduated grey background.
Science Museum Group Collection
© The Board of Trustees of the Science Museum

AD Waller's model train, track gearing and replica of photographic plate used in experimental electrocardiographic work. 1887-8, Waller collection.


Clinical Diagnosis
Object Number:
1984-1668/5 Pt9
brass, wood
toy train waggons
British Cardiac Society

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