Chapter XI

137. Kind of Electrical Apparatus for TESLA and
Operating Discharge Tube for Powerful SHALLENBERGER
X-rays.

138. How to Maintain the Phosphorescent Spot TESLA
Cool.

139. Expulsion of Material Particles through TESLA
the Walls of a Discharge Tube.

139_a_. Giving to X-rays the Property of Being LAFAY and
Deflected by a Magnet. LODGE

139_b_. Penetration of Molecules into the Glass GOUY
of the Discharge Tube.

140. Vacuum Tubes Surrounded by a Violet TESLA and
Halo. HAMMER

141. Anæsthetic Properties of X-rays. TESLA and
EDISON

142. Sciagraphs of Hair, Fur, etc., by TESLA, MORTON,
and X-rays. Pulsation of Heat detected. and NORTON
142_a_.

143. Propagation of X-rays through Air to TESLA
Distances of 60 ft.

144. X-rays with Moderate Vacuum and High TESLA
Potential.

145. Detailed Construction and Use of Single TESLA
Electrode Discharge Tubes for
Generating X-rays.

146. Percentage of Reflection. TESLA and ROOD

146_a_. Reflected and Transmitted Rays TESLA
Compared. Practical Application of
Reflection in Sciagraphy. Analogy
between Reflecting Power of Metals
and their Position in the
Electro-positive Series.

147. Discharge Tube Immersed in Oil. Rays TESLA
Transmitted through Iron, Copper, and
Brass, 1/4 in. Thick.

148. Bodies Not Made Conductors when Struck TESLA
by X-rays.

149. Non-conductors Made Conductors by a APPLEYARD
Current.

149_a_. Appleyard’s Experiment. Non-conductors
Made Conductors by Current.

150. Electrical Resistance of Bodies Lowered MINCHIN
by the Action of Electro-magnetic
Waves.