"Roentgen" induction coils and other X-ray apparatus (1903)
James G. Biddle Company · Philadelphia : James G. Biddle · leaf 28
Figure 16. This tube is ofthe self-regulat-ing type and isan exceptionallyfine one for staticmachine or lightcoil work. B3200. (No. 6). Diameter of QIass Bulb 5 inches B3201. (No. 7a). ♦♦ *♦ 6 * $18.0020.00 R. F. Patent Regulating Tube. … Figure 17. An extra heavyanode is usedin this tube, andit is well adaptedto the field ofordinary coilwork. B3202. (No. 7).B3203. (No. 8).B3204. (No. 9). Diameter of Glass Bulb 6 inches $22.00 «« »* n y a 26.00 8 30.00 24 James G. Biddle, 1114 Chestnut Street, Philadelphia. R. F. Patent Regulating…
X-rays · Induction coils · Radiography
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