Harris, John · Montreal, Lovell Printing and Publishing Co. · leaf 77
f the wall W. W., that the object PARALLAX. numbered 1, is almost close to the wall; No. 2, is consid-erably further from the wall than No. 1 ; and No. 3, isyet further from the wall than No. 2. Now if the ob-server move from his station at A. to a station at B,considerably to the left of A., the… … vdll strike the wall at the place, marked No. 3, stillfurther to the right: whilst a line from his eye to thefirst object which is almost close to the wall, will strikethe wall only a very short distance to the right. Nowif the observer return past his first central ^tion at A.,and move to C, a…
Astronomy
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