Lamp Resistance is to be obtained of Miss Emily Long, 85,Crouch Hill, 1ST. For tables of rates of charging of batteries from the mains,and much useful information, etc., see Portative Electricity,by J- T. Niblett(Briggs and Co., Salisbury Court, E.C.). 60 THE RONTGEN RA YS IN MEDICAL WORK Charging… … Fig. 34.—Stella Lamp-Resistance (Dr. E. E. Maddox). 1. An alternating current motor may be used to drive a directcurrent dynamo. The machines may be coupled by a belt, or theymay be built upon one shaft. In this method there is a conversion of electrical into mechanicalenergy, and a reconversion of…
X-rays · Radiography
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