. The American journal of roentgenology, radium therapy and nuclear medicine . ^ inches 4 from one end of the base, and are five. /^/ard inches high, as illustrated here in Plate II. An Inexpensive Head Vise 305 The jaws are made by welding iron do not obstruct the rays and cast to the part sawed from a car- shadows on the roentgenograph.)enters iron clamps, labeled N, in Plate I. The vise may be used at an inclination

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Keywords: ., bookcentury1900, bookdecade1900, bookidamericanjour, bookyear1906