Augsburg, De Resco Leo, b. 1859 · Boston, New York, Educational Pub. Co · leaf 156
, B C, E F, and H I. 4. Observe that the receding lines of the reflection are paral-lel to and obey the same law as the receding lines of the box. Make a model out of a strip of drawing paper, about 1x9inches long, similar to Fig. 2. Place this model on the tin asin Fio;. 2 and observe : 1. That… … 3. That the set of lines marked 3 in both object and reflec-tion are parallel. Note.—O^ course it is understood that all parallel receding lines converge andif continued would come together at a point. Place a small cylinder on the tin and observe :In Fig. 3 that the longer axis is not vertical.In…
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