. Journal of radiology . In this connection, the new Kelly-Koett apparatus, of which to the timeof writing, only meagre informationis obtainable, has some distinctivefeatures which commend it to themore scrutinizing members of theprofession. These features may bestated in brief fashion: 1. COMPACTNESS. The trans-former, or rectifying unit, measures controls and transformers. 3. CAPACITY. The transformeris said to be capable of producing andoperating at 280,000 peak volts, asmeasured by the sphere gap, or anequivalent of a twenty-inch sparkgap. 4. METHOD OF CONSTRUC-TION. A synchronous motor is
. Journal of radiology . In this connection, the new Kelly-Koett apparatus, of which to the timeof writing, only meagre informationis obtainable, has some distinctivefeatures which commend it to themore scrutinizing members of theprofession. These features may bestated in brief fashion: 1. COMPACTNESS. The trans-former, or rectifying unit, measures controls and transformers. 3. CAPACITY. The transformeris said to be capable of producing andoperating at 280,000 peak volts, asmeasured by the sphere gap, or anequivalent of a twenty-inch sparkgap. 4. METHOD OF CONSTRUC-TION. A synchronous motor ismounted on top of the transformer 5 Page Fifty-seven NEW EC and enclosed in the cabinet of therectifying unit. As will be noticed inthe illustration, the axis of the motorextends outward far enough to pro-vide proper counter-balance for themotor and sufficient space for rectify-ing disc at each end. This is a novelmethod of construction, for that itmakes possible a more compact unit,and the rectification of an unusualvol
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Keywords: ., bookauthoramerican, bookcentury1900, bookdecade1920, bookyear1921
