Through the Telescope

AMERICA . . THE MACMILLAN COMPANY 64 & 66 Fifth Avenue, NEW YORK
CANADA . . THE MACMILLAN COMPANY OF CANADA, LTD. 27 Richmond Street, TORONTO
INDIA . . . MACMILLAN & COMPANY, LTD. 12 Bank Street, BOMBAY 7 New China Bazaar Street, CALCUTTA

PLATE I.
The 40-inch Refractor of the Yerkes Observatory.

WITH 32 FULL-PAGE ILLUSTRATIONS FROM PHOTOGRAPHS AND 26 SMALLER FIGURES IN THE TEXT
LONDON ADAM AND CHARLES BLACK 1906


C. N. B. and H. E. B.