REMIT BY EXPRESS OR POSTAL ORDER, OR BY BANK DRAFT
Copies of the very interesting Röntgen or "X Ray" photographs can be obtained now from The Great Round World.
These famous photographs are mounted on cards, size 11 x 14 inches, and are from selected negatives made by
| PROF. M.I. PUPIN, of Columbia University, New York, |
| DR. A.W. GOODSPEED, of University of Pennsylvania, and |
| DR. W.F. MAGIE, of Princeton College. |
A selection of 39 different subjects is offered.
PRICE, 50 CENTS EACH, (to yearly subscribers of The Great Round World, 40 cents net).