A COMPARISON OF SIMULTANEOUS POLYGRAPH AND MICROGRAPH TRACINGS
نویسندگان
چکیده
منابع مشابه
A Comparison of Simultaneous Polygraph and Micrograph Tracings
FROM A STUDY OF THE ACCOMPANYING TRACINGS WE MAY CONCLUDE THAT: 1. The delicate mechanism of the micrograph registers the movements in the heart and blood-vessels more accurately than does the polygraph. 2. The inertia of the polygraph lever and diaphragm distorts the tracing. The difference between the results obtained with the two instruments is shown by the records made simultaneously with t...
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ژورنال
عنوان ژورنال: Journal of Experimental Medicine
سال: 1912
ISSN: 1540-9538,0022-1007
DOI: 10.1084/jem.16.3.280