Several of the less expensive models give good results with audiences up to two hundred while the 750-watt Leica and Spencer machines are effective for two thousand. The Spencer is equipped to handle
all sizes of slides. ^ . ,
Li ghtness
and convenience is pushing the 2" X 2" slide ahead of the 3i>4"x4"
D. Spencer Auditorium Color Slide Delineascope -- 750 Watts.
Equipped to use any sue slide.
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4i%
Sprnccr I"" r^ B- ff .1 ■ N V
GRAPHIC PRESENTATION
A. The Selectroslide.
1. Holds 48 Klass-mounted 2" x 2" slides.
2. May be operated by remote control. J. Can be equipped for continuous automatic
operation. Sptndlcr fli Sauppe, Inc., San Francitco. Cal.
Standard American lantern slide and the 3%" x 3%" used in Europe, Lightest of all is the cardboard Ready-Mount shown in 405 B, now included in the development charge for Kodachrome film. Fifty of these in the Kodaslide Changer in 4 0.S A are moved into position by working a small plunger. Glass-covered slides are mounted B. 800 Foot Con+inuous
Projection nnent for Film.
Attach- 1 6 mm.
t .It
I i( II
1 w <,■
I / r 1 1 I <■ c tors . itli. I \<. i!h or witliiiut
With sound runs 22 niin.
without I cpt'.itin^; Sil>nt pKSMitat ii-'n l.')sts
J,i mjn.
Bell & Howrll, ChicaKO. Ill
with tape or metal bindings. Projectors similar to the Selectroslide in A above require a glass-covered slide or one with a metal frame.