Elements of natural philosophy (Volume 2-3) (1850)
Bartlett, W. H. C. (William Holms Chambers), 1804-1893 · New York : Barnes · leaf 259
:JSX+XO:XO Proportions; hence, XO=P.(f+(FJ); a+ (J and in the same manner, Relations fromthe figure; Xr=f-EX=f- J^.(f+{Flt)) = Wa *<f\ these values in Equation (77), give and this in Equation (76), gives, by introducing thepowers of the lenses, Substitutions; = LX /3 I — a L l + Z • • • . . (78)… … Proper positionfor the eyeindicated intelescopes ; Distance ofoptical centre ofthe eye from thatof the eye lens ; Position of theeye for theGalileantelescope ; Arrangement forchanging thedistance betweenthe lenses. tinct vision, and tlie extreme rays m 0 and n 0\ willbe received by an eye whose…
Mechanics · Acoustics · Optics
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