1961 Volume 17 Issue 3 Pages 143-158
The first report on tomography was followed by the second, in which the scattering X-ray was from the several points of view. In order to find the rate of scattering X-ray doses contained, a method for computaing the degree of density only in direct X-ray was devised. The values of the tube voltage, extent of the field and angle of rotation were found experimently.