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Alfred Russel Wallace : Alfred Wallace : A. R. Wallace :
Russel Wallace : Alfred Russell Wallace (sic)


Fig. 8. Galileo's Telescope.  A  B, Convex lens;  C  D, concave lens next the eye; m  n, real arrow;  M  N, apparent size of arrow;  m' m' and n' n' , end of the cones of rays m and n as they reach the eye;  M 0 N, angle at which the magnified arrow is seen.

This is Figure 8 from Arabella Buckley's A Short History of Natural Science (1876), drawn for Buckley by Wallace.