Subject ASC0003j0o
Journal of the Royal Microscopical Society.
v.3:pt.2:no.4-6 (1880), Page 872 (1880)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 9531569
Keywords
prism isophotal microscope eye peice incident beam right-angled prism rays perpendicular isosceles prism angles achromatized prism Prism