. Science of railways . of holderNo. If it is higher than this, there will be too muchheat onCTutchNo. 304. ,;3^1i9 foHowirig is the approximate focal point of reflectors of^foliow^ing sizes: 16 X 8 inches 2% inches 17% X 10i/-> inches 1% inches 18 X 8% inches 2^6 inches 18 X 9 inches 2^/4 inches 18 X 12 inches 1% inches 23 X 14 inches 2% inches ELECTRICAL TERMS EXPLAINED. As there are many men who have no definite idea of whatelectricity really is, and as a slight knowledge is necessaryto properly care for electric headlight equipment, and to getthe best results therefrom, a few extr
. Science of railways . of holderNo. If it is higher than this, there will be too muchheat onCTutchNo. 304. ,;3^1i9 foHowirig is the approximate focal point of reflectors of^foliow^ing sizes: 16 X 8 inches 2% inches 17% X 10i/-> inches 1% inches 18 X 8% inches 2^6 inches 18 X 9 inches 2^/4 inches 18 X 12 inches 1% inches 23 X 14 inches 2% inches ELECTRICAL TERMS EXPLAINED. As there are many men who have no definite idea of whatelectricity really is, and as a slight knowledge is necessaryto properly care for electric headlight equipment, and to getthe best results therefrom, a few extracts from the ABCof electricity, in simile language and terms familiar tonearly all, are here given, so they may be very readily un-derstood, and will be of interest to those using electric head-lights.* •These extracts are taken from the Pyle instruction book,and are necessarily very brief. y Diaiirar S h o w i ii ,u, Names a ii d Numbers of l^arts for BUO/\RpSS I. I e e t r i e 11 c a d I i .o;h t K (] u i p m e lU. fc^ l°l ^ P ,||o| ^ ■■:. ■•• 1 1 1 lol ^ Jilojl „r 1 1 1 f UJ—.^ 1 j tri a: S J Ul WIRINO DlR«f
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Keywords: ., bo, bookcentury1900, bookdecade1910, bookidscienceofrailway14kirk
