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ARTICLE |

Bio-medical Telemetry: Sensing and Transmitting Biological Information From Animals and Man

Charles G. Roland, MD
JAMA. 1968;205(3):189. doi:10.1001/jama.1968.03140290081034.
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ABSTRACT

Most of our information about man's reaction to activity and stress has been fragmentary. Measurements usually were made before and immediately after activity; then investigators would extrapolate in an attempt to derive information about the physical state during activity. Results were often questionable indeed.

Indirect techniques are now outdated. Miniature electronic devices, at least in part a by-product of the space race, are now available to sense and transmit data. This book describes these tiny devices and their uses. Here the author illumines arcane mysteries such as multi-vibrators, squegging oscillators, piezoelectric transducers, phaselock loops, and endoradiosondes.

Many creatures, from cockroaches to giraffes, have carried telemetering devices and contributed to the pool of scientific knowledge. Mackay describes a variety of experiments, including instructions on how to persuade a caiman to swallow a transmitter.

Bio-medical Telemetry is well written and well illustrated; it provides an excellent introduction to a subject of real

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