Vibrating bar designed to supply current at 50Hz to time-marker used with electrocardiograph
Vibrating bar designed to supply current at 50Hz to time-marker used with electrocardiograph, by Cambridge Instrument Company Ltd., England, 1934
Details
- Category:
- Clinical Diagnosis
- Object Number:
- 1979-731/3
- type:
- electrocardiographs
- credit:
- Royal Postgraduate Medical School