Gage, Alfred P. (Alfred Payson), 1836-1903 · Boston, London, Ginn · leaf 360
Fig. 243. FORMATION OF IMAGES. 341 … Fig. 244. placed in front of them, proceed as follows : Locate the ob-ject, as DE (Fig. 244). Draw lines, E A and DB, from theextremities of the object throughthe center of curvature of the mir-ror, to meet the mirror. These linesare called secondary axes. Incidentrays along these lines will…
Physics
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