. Popular science monthly. The Popular Stereopticon and the one most widely used in many schools and colleges, on thelecture platform and in the home, is the laiisch jotnb BaSopticon The Perfect Stereopticon Its scientific accuracy—optically and mechanically—its simpli-city in operation—its durability—are distinguishing features. Projects ordinary lantern slides, throwing brilliant, vivid screenimages. The Balopticon can also easily be arranged for directopaque projection of postcards, photos, sketches, maps, etc. Model C Balopticon $25 and upOpaque attachment $30 and up Write today for our De
. Popular science monthly. The Popular Stereopticon and the one most widely used in many schools and colleges, on thelecture platform and in the home, is the laiisch jotnb BaSopticon The Perfect Stereopticon Its scientific accuracy—optically and mechanically—its simpli-city in operation—its durability—are distinguishing features. Projects ordinary lantern slides, throwing brilliant, vivid screenimages. The Balopticon can also easily be arranged for directopaque projection of postcards, photos, sketches, maps, etc. Model C Balopticon $25 and upOpaque attachment $30 and up Write today for our Descriptive Circular Bausch # Ipmb Optical (5. 650 ST PAUL STREET ROCHESTER. New York Washington Chicago San Francisco. CANDIES Of RARE QUALITY
Size: 1371px × 1822px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookd, booksubjectscience, booksubjecttechnology
