. The American journal of roentgenology, radium therapy and nuclear medicine . SELFRECTIFYING UNIT Constructed to operate the 30 ma. Radiator Coolidge Tube withinthe limits of the focal spot. The Control Cabinet may be placed beside the operator. Thelevers are very accessible, the penetrability readily controlled. TheAuto Transformer enables one to have an effective voltage across thetube equivalent to from a 3 inch to a 5 inch spark-gap. Tube Filament Regulation is supplied to vary the current from 5to 30 ma., making it possible to radiograph interesting lesions duringfluoroscopic procedure.


. The American journal of roentgenology, radium therapy and nuclear medicine . SELFRECTIFYING UNIT Constructed to operate the 30 ma. Radiator Coolidge Tube withinthe limits of the focal spot. The Control Cabinet may be placed beside the operator. Thelevers are very accessible, the penetrability readily controlled. TheAuto Transformer enables one to have an effective voltage across thetube equivalent to from a 3 inch to a 5 inch spark-gap. Tube Filament Regulation is supplied to vary the current from 5to 30 ma., making it possible to radiograph interesting lesions duringfluoroscopic procedure. TO OUR NEW ENGLAND CLIENTELE We have merited the confidence of the KELLEY-KOETT , of Covington, Kentucky, to the extent that we are now theirSole Distributors and Service Agents for the New England States. K. & B. ELECTRICAL EQUIPxVIENT COMPANY, Inc. 34- 2nd AVENUE, NEW YORK CITYManufacturers and Sales Agents for KELLEY-KOETT MFG. CO. In Answering Advertisements please mention The American Journal of Roentgenology. THE AMERICAN JOURNAL OF ROENTGENOLOGY JUST A MIN


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