The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 418
^ we have the proportion. STANDARD BlvECTRICAIv DICTIONARY. 413 Illuminating power of lamps : ditto of standard caudle :: (/ {e- -C-l-: .-..:.........I ..:.^.......^ \A Fig. 260. Diagram of Principle of the Dispersion Photometer. The cut, Fig. 261, gives a perspective view of Ayrtons Dis-persion… … Fig. 261. Ayrtons Dispersion Photometer. R the rod for producing the two shadows on the screen S. Themirror M is fixed at an angle of 45° with the stem on which itrotates. The light of the arc lamp is received by the mirror and isreflected through the lens. The candle holder slides along a…
Electricity
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
