A laboratory manual in physics, to accompany Black and Davis' "Practical physics for secondary schools," (1913)
Black, Newton Henry, 1874- [from old catalog] · New York, The Macmillan company · leaf 110
Fig. 59 If one places ones eye on a level with the paper and looksinto the edge DE, the portion of the pin A seen through theglass seems to be in line with the part seen over the glassonly when the eye looks into the glass in the direction FD,perpendicular to the edge DJE. In order to show just how…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
