Physics.
| Flanagan, Richard J. 3969a.18=**E.5119a.22 | The substantial structure. = Boston. 1923. (8), 29, (1) pp. 15¢m.
On gravity, tidal movements, stellar systems, light and space.
This card was printed at the Boston es Public Library, Nowember 2, 1927.
N3883 — T.r. — Physics.