A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments." (1891)
Hall, Edwin Herbert, 1855-1938, Bergen, Joseph Y. (Joseph Young), 1851-1917 · New York, H. Holt and Company · leaf 187
t, after reflection, be strictly parallelto each other. They would appear to come from a pointas far as possible behind the mirror. If the object-point is placed still farther away from the 164 PHYSICS. mirror, as at 0 in Fig. 109, the rays may after reflection beactually converging, and cross at a…
Physics
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
