Camera Work: A Photographic Quarterly (1913 (Heft 44))

Projection of Autochrome Plates
with Bausch & Lomb Balopticon


Special Model D with Large Condensing Lenses

THIS Balopticon is the highest grade instrument
for transparent projection unexcelled in every
detail of optical and mechanical construction. It is
particularly designed for the projection of LUMIERE
AUTOCHROME PLATES, or any plates larger than
the standard size lantern slides.
The optical equipment includes a triple condensing system of
6-inch diameter lenses, and a 15-inch focus, 2rVinch diame-
ter Standard projection lens. Two double slide carriers are
supplied one for 4x5-inch plates held horizontally or vertically,
and one for standard slides. The carefully planed optical bed
insures accurate alignment of all parts.
One of our Balopticons will greatly enhance your collection of
views. The full line affords a wide range of prices and meets
EVERY PROJECTION REQUIREMENT. Write for catalog.

gausch & [omb Optics ©•
632 ST. PAUL STREET ROCHESTER, N.Y