Front:
100-inch Hooker Telescope
TOTAL WEIGHT OF THE TELESCOPE OS ABOUT 100 TONS.
THE MIRROR IS MOUNTED IN THE LOWER END OF THE TELESCOPE.
IT IS 100 INCHES IN DIAMETER, 13 INCHES THICK AT THE
OUTER EDGE, AND WEIGHS 4 TONS. THE UPPER CONCAVE SUR-
FACE IS COVERED BY A THIN BUT BRILLIANT COAT OF ALUMINUM
AND FOCUSES THE LIGHT OF A STAR IN THE SAME WAY AS A LENS.
MOUNT WILSON AND PALOMAR OBSERVATORIES PHOTOGRAPH
PC 13
E 47 27
Back:
PUBLISHED BY FRASHERS, INC. POMONA, CALIF.
DE
Foto Card
Scenic Photos of the West
ADDRESS
