. The American journal of roentgenology, radium therapy and nuclear medicine . Al 15 9-Bi 18 0 0 0 0 0 50 4-5 100 150 130 •5 200 15-5 13-5 250 300 * 350 19-5 * 300 17-5 * 250 14-5 200 150 30 30 9-5 100 — — 3-5 50 — — — 30 18 0 — — — 0 Fig. I. Apparatus Employed in the Laboratory toStudy the Relation Between Gases and Metals at Various Temperatures. * Bismuth in molten condition.
. The American journal of roentgenology, radium therapy and nuclear medicine . Al 15 9-Bi 18 0 0 0 0 0 50 4-5 100 150 130 •5 200 15-5 13-5 250 300 * 350 19-5 * 300 17-5 * 250 14-5 200 150 30 30 9-5 100 — — 3-5 50 — — — 30 18 0 — — — 0 Fig. I. Apparatus Employed in the Laboratory toStudy the Relation Between Gases and Metals at Various Temperatures. * Bismuth in molten condition. The manometer employed consisted of aglass tube 4 cm. wide with a small side tubeattached at the lower end. To this was con- Gas-Containing Roentgen Ray Tubes 263 nected a rubber tube terminating in a largediameter glass container for the the tube was placed a metric scalefrom which the differences in the gas vol-umes could be accurately read. The upperend of this tube was sealed to the small out-let communicating with the glass bulb. Read-. FiG. 3. Protectre Shield for Cathode. Experimental data showing the absorption ofhydrogen, by iron, copper, aluminum and bismuth attemperatures varying from room temperature to 350degrees centigrade and decreasing again to roomtemperature. Gas level measured downzvard at at-mospheric pressjire in the manometertube at room temperature (cms.) Temperature Degrees Centigrade NoMetal 15 g- Fe 15 g- Cu 15 g- Al 15 g-Bi ings were taken on a metric scale after themercury levels were adjusted to the sameheight by raising or lowering the glass con-tainer connected with the tube. The apparatus was filled in the following 30 1 N 1 / \ T / \ / \ 80 ) y \ \ \ /, y /Ak ^ \ fy ///y i^ ^\ ^\ \ I /^ ^ ^ V N (O J Y \K \ f \ \^ \ 5 \ \^ A y/r/^/=/r/?/)rc//?/Er^^ c£-A/r/G/?Ai:>£\ \ sN \ / \ A 0 /OO 200 300350 300 200 /OO Fig. 4. Curve i Showing the Changes of VolumeOF Oxygen when at Various Temper.^ Oxygen without m
Size: 1485px × 1682px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidamericanjour, bookyear1906
