CHAPTER XI.. 137. Kind of Electrical Apparatus for Tesla and

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.

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

139b. 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 142a.

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

146a. 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.

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

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