Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 598
One half of the slit of Fig. i was covered by 4 mm. of aluminum. On a 6 gap only 14 thetime was given to the upper portion in order to nearly equalize the exposures. More of theradiation at the higher gap is able to pass through the aluminum. Fig. … Reduction by absorption of several millimeters of aluminum. 0, i, 2, 3, and 4 mm. filters used. even a thin layer. Clearly the most efficient use of electric energy,i.e., the greatest X-ray delivery for a given heat produced at thetarget would be when all the current is passed at the samepotential,…
Science · Technology · Meteorology · Patents
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
