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1154.
Vacuum. tube with luminous mineral:
Containing phosphorescing mineral which glows brightly in colour
other than its original colour under influence of cathode rays to
show flourescent is effected by cathods rays. |
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1155. Shadow and stencil tube, double form:
The tube is having one cross on one side and a star on the other
side, the cathode being in the middle which cast the shadows on
opposite sides to show rectilinear propagation effect on cathode
rays. |
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1156. Tube with platinum
foil:
The tube is having concave cathode at lower end, disc anode at upper
end and small metal foiI mounted at the center of curvature of the
cathode which is made red hot by cathode rays focussed there on to
show heating effect of cathode rays. On wooden stand. |
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1157. Tube bulb shaped with a bird and flower:
The tube glows on impact of reflected cathode rays, to show
reflection of cathode rays. On wooden stand. |
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1158. Crook's Tube V Shaped
Deflection of Cathode Rays |
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1159.
Deflection tube with fluorescent screen:
Near the cathode is a slit which allows a bunch of cathode rays to
pass through it The path of the rays is traced by flourescence
produced upon screen. Deflection of this luminous line is readily
seen when a magnet is placed near the tube. On wooden stand, without
magnet. |
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1160. Cathode
Ray tube, Thompson's:
Diameter of scree 40 mm and total length of the tube 400 mm with two
diaphragms and a pair of deflecItion plates. To demonstrate that
cathode rays can be deviated by static electricity and also by
magnet. On wooden stand without magnet. |
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1161. Canal
Ray tube:
Goldstein's vertical type. |
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