A description of the electronics in an electrocardiograph and what signals they measure to produce the “leads” on an ECG strip chart or video display. An ECG detects and displays the electrical pulses ...

Beck-Lee Model E electrocardiograph. The inscription on a round enamel plaque reads “BECK-LEE Instruments of Precision.” Another inscription reads “"Beck-Lee Corporation / 630 WEST JACKSON BLVD.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Electrocardiographs measure the small ...

RADIOTELEMETRY for biomedical monitoring has become a frequently used research tool; however, its high cost has kept it from being universally accepted. A low-cost radiotelemetry system would probably ...