BELIEVED to be the smallest so far developed, this miniature portable electrocardiograph comes from New Electronic Products Ltd., an associated company of Honeywell Controls. so, 57 years ago, started a story in Electronics Weekly’s edition of March 15th 1961. The story continues: It uses transistors and printed circuits, and weighs only 9lb. The battery-powered instrument ...
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from Electronics Weekly https://www.electronicsweekly.com/blogs/mannerisms/memory-lane/smallest-ever-ecg-2-2019-01/
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