. "Roentgen" induction coils and other X-ray apparatus . Figure 21. B3213. (No. 3 E.) Diameter of Glass Bulb 5 inches $ B32r4. (No. 4 E.) »* »* »« 5 «« 26 James Q. Biddle, 1114 Chestnut Street, Gundelach Light Anode Tube. The Gundelach light anode tube is well known for its reliability, good contructionand facility withwhich the vacu-um is reducedwhen it has be-come too high bycontinued use. Figure 22. B3215. (No. 3). Diameter of Glass Bulb 5 inches $ B3216. (No. 4). ii a 5^ ** B3217. (No. 5). * *i «« it 5 »« Gundelach Heavy Anode Tube. For skiagraph-i
. "Roentgen" induction coils and other X-ray apparatus . Figure 21. B3213. (No. 3 E.) Diameter of Glass Bulb 5 inches $ B32r4. (No. 4 E.) »* »* »« 5 «« 26 James Q. Biddle, 1114 Chestnut Street, Gundelach Light Anode Tube. The Gundelach light anode tube is well known for its reliability, good contructionand facility withwhich the vacu-um is reducedwhen it has be-come too high bycontinued use. Figure 22. B3215. (No. 3). Diameter of Glass Bulb 5 inches $ B3216. (No. 4). ii a 5^ ** B3217. (No. 5). * *i «« it 5 »« Gundelach Heavy Anode Tube. For skiagraph-ic purposes theGundelach heavy anode tube is re- , ^^. ^^^—^.. ^ »^^^ ^ y- -——■—- ^ cognized as be- ^^^ ■ ing very effect-ive. FiGURK 23. B3218. (Type B). Diameter of Glass Bulb 4^ inches B3219. (TypeC). - ** 5^/^ * B3220. (Type D). ii a .* 5 B3221. (Type F). * ♦ 6^ B3222. (TypeQ). ♦ ». .» TM Ventril or Valve Tube. These tubes are used in series with the X-Ray tube and the in-duction coil to prevent the inverse discharge from passing throughthe X-Ray tube. They take the place of the series spark gap andhave over it the advantage of absence of noise and constan
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Keywords: ., bookcentury1900, bookdecade1900, bookidroentgenindu, bookyear1903
