The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent : designed for the use of practitioners and students (1901)
Williams, Francis H. (Francis Henry), 1852-1936 · New York, Macmillan · leaf 133
mine at how great a distance theycan be differentiated from the flesh as compared with what has beenobserved on former occasions when the tube and the eyes were knownto be fit for use; in doubtful cases, where these possibilities of errorhave been ehminated, the appearances seen on the fluorescent… … INTRODUCTION TO THORAX 105 ■ Densitometer. — I designed this instrument, to which I have giventhe name of densitometer, in order to measure the density of anypart of the thorax, and I chose water as a means of measurement,because this liquid is most akin to the soft tissues of the body, theybeing…
Radiography · X-rays
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