RASC Sesquicentennial 2018
ASTRONOMICAL AND PHYSICAL INSTRUMENT WORKS.
JNO. A. BRASHEAR
Allegheny, Pa. ......................1890.
Objectives made from the same glass.
Interior view of Dr. Marsh's observatory showing the Brashear 5-inch telescope.This photo was published in the RASC Selected Papers and Proceedings, 1902-03.
