Addyman, Frank Thornton · London : Scott, Greenwood & co. · leaf 181
om the table.A mark should also be made on the hand showing a point in aline with the shot when the tube is at A. 148 PRACTICAL X EAY WORK. For any fixed values of A B, A C and A D, we can workout a table giving the distance D O in terms of the observa-tions DE,DForEF. Since the opposite angles of… … E D F Pig. 50. ^Diagram. From this we can work out values of D O for different valuesof D E. Dr. RSmys Method.—Dr. Remy, of Paris, has devised anapparatus which does away with all calculations as effectuallyas the cross-thread localiser, and has the additional advantagethat it may be used with the…
X-rays
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