. Röntgen rays and electro-therapeutics : with chapters on radium and phototherapy . Fig. 81A.—Scheidel-Western coil combination radiographic special and high-frequencyoutfit for alternating or direct current. Pntent/o/ switch Secondari/. ] CorePrimarif- Fig. 81B.—Diagrammatic view of the Snook Rontgen Apparatus.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradiolo, bookyear1910