Recto:

l.l. to l.c. printed in gray, below image: H-1890 THE LOOKOUT, GRAND CANYON NATIONAL PARK, ARIZONA

Verso:

u.l. printed: FRED \ HARVEY "PHOSTINT" \ TRADE MARK REG U. S. PAT OFF. \ MADE ONLY BY DETROIT PUBLISHING CO.

u.l. to c.l. printed: The telescope in this tower is not the usual type \ of single-barrel machine. It is constructed exactly \ like an opera glass, and the layman experiences no \ difficulty in seeing through it, as it needs no more \ adjustment than any ordinary opera glass and the \ field of vision is ten to twenty times greater than \ through the ordinary single barrel machine. \ The north rim of the Canyon, thirteen miles \ away, with its forest of pines, appears only a half \ mile away through the telescope. \ This machine has been installed for the benefit \ of all visitors to the Canyon and no charge is made \ to anyone.

l.c. printed: XXII

Amon Carter Museum of American Art, Fort Worth, Texas

Public domain