. American quarterly of roentgenology . 1. Plate Holder. Slide removed and set for 10x12 2. Table Clamp. A and A1, metallic arms which project over plate holderand shadows of which are shown on skias. C and C1, rest on top of tablewith B on under surface, clamped by thumb screw E. D projecting externallydetermines the position of the tube carriage. \

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Keywords: ., bo, bookcentury1900, bookdecade1910, bookidamericanquarterl03amer