High Frequency Apparatus Page xvi

xvi CONTENTS sembly with Audience Found in High Class Vaudeville Theatre. Vaudeville Audience Demands to be Shown. Experiments must Speak for Themselves. Method of Presentation for Typical Lecture Audience. Touch of Comedy of Great Value with Theatre Audience. Short Introduction Preferable. Impressive Opening Necessary. Suggestion for Successful Program. "Trying it on the Dog." The Matter of Rehearsals. Selection of Experiments. Time of Act. How to Present the Offering on the Stage or Lecture Platform. Specimen Program with Outline of Experiments and Lecture. Appendix. PARTS AND MATERIALS-HOW MUCH 229 THEY COST AND WHERE TO GET THEM Knife Switches. Copper Magnet Wire. Scales and Name Plates. Aluminum Name Plates. Instrument Switches. Switch Points. Brass Cylinders. Binding Posts. Copper Lugs. Cord Tips. Composition Covered Binding Posts. Knurled Nuts. Hard Rubber Handles. Composition Handles. Knurled Knobs. Tin Foil. Wood Cabinets for Instrument Mounting. Mahogany Rectangular Bases. Round Bases. Low Voltage Condensers. Marble Bases. Flexible Couplings. Insulating Materials. Oiled Linen. Oiled Paper. Flexible Micanite Sheet. Hard Rubber Sheeting and Rod. Hard Rubber Tubing. Bakelite Fibre Sheet. Silicon Steel for Transformer Cores. Tubes for Winding Tesla Coils. Edgewise Wound Copper Strip for Tesla Coil Primary. Copper Ribbon. Hexagon Brass Nuts. Phosphor Bronze Sheet. Sheet Brass. Threaded Brass Rod. Square, Round, and Hexagon Brass Rod. German Silver Wire. Pure Silver Rod for Electrical Contacts. Finished Apparatus.