Airy, Sir George Biddell, On the undulatory theory of optics. (In his Mathematical tracts. 2d edition. Pp. 249-410. Cam- bridge. 1831.) No. 7 in **E.198.25 Same. (Jn Same. 3d edition. Pp. 239-390. Cambridge. 1842.) No. 5 in 3922.13 Same. New edition. London. Macmillan, 1866. viii, 159 pp. 2 plates. 12°, 5924.29 Same. 1877. **E 5029.66
This card was printed at the > Public Library, September 18, 1924.
W384 — Wave theory of light.