The fireside university of modern invention, discovery, industry and art for home circle study and entertainment . THE X RA Y. 101 The inside of the glass is coated with the Fluorescing material,and this has been fused into the glass. No X Rays pass beyondthe glass in this tube, and Edison believes that their rapid waves. Fig. 44. EDISONS X RAY LAMP. cause the white cold light that sets up in the glass. There isbut a small expenditure of power, and the economy is nine-tenths as compared with the incandescent light. That is, whenapparatus can be as cheaply applied to the Fluorescent light asit
The fireside university of modern invention, discovery, industry and art for home circle study and entertainment . THE X RA Y. 101 The inside of the glass is coated with the Fluorescing material,and this has been fused into the glass. No X Rays pass beyondthe glass in this tube, and Edison believes that their rapid waves. Fig. 44. EDISONS X RAY LAMP. cause the white cold light that sets up in the glass. There isbut a small expenditure of power, and the economy is nine-tenths as compared with the incandescent light. That is, whenapparatus can be as cheaply applied to the Fluorescent light asit is to the arc light, the Fluorescent light will cost only one-tenth as much, give out almost no heat at all. For what is Tesla celebrated? (See page 79.)For his inventions looking to the breaking and reversal ofcircuits, whereby these rapid movements can be secured. He isdeemed the greatest of all the inventors of vibratory apparatusor oscillators. He was once a workman in Edisons his high frequencies he expects to project Kathode rays inthe air from power-houses to lamps at great distances. That is,matter will be projected with force to Fluorescing substancesstationed miles from the power-house, and they will becomeluminous without heat, as phosphorus is at night—or the glow- 102 THE FI
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