ey have found so profitable, or to according to the Mechanical World, increased nearly tional to the opacity of the bone. The portions of the endeavor to induce the insured to submit to an ex- 40 per cent between 1902 and 1907. In 1907, the in- film selected for photometric measurement were the… … Radiographing a Hand. The Aluminium Standard Lies by the Side Measuring the Transparency of Films with IVArsonval's Diaphragm of the Little Finger. Photometer. THE OPACITY OF BONES TO ROENTGEN BATS AS AN INDICATION OF AOE.
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