F. H. Richardson's bluebook of projection (1942)

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um Image Quality BAUSCH & LOMB Projection Lenses SUPER CINEPHOR f:2.0 Superb anastigmatic correction plus non-reflecting high light-transmission lens surface treatment provide unequalled image quality, color purity, contrast and screen brilliance. CINEPHOR SERIES II The Cinephor II provides in the longer focal lengths the advantages in projection efficiency associated with the Super Cinephor. Available in focal lengths of to 9", CINEPHOR LENSES f:2.0 A moderately priced high speed lens with excellent correction, available in focal lengths from 3.5" to 5.0" inclusive. All focal lengths in No. 2 barrel. CINEPHOR SERIES I Long recognized as the standard projection lens in American theatres and as being excelled only by the Cinephor and Super Cinephor Series. BAUSCH & LOMB CINEPHOR AND SUPER CINEPHOR LENSES ARE SOLD BY NATIONAL THEATRE SUPPLY CO. AND ALSO LEADING INDEPENDENT THEATRE SUPPLY HOUSES. BAUSCH & LOMB OPTICAL CO. • ROCHESTER, NEW YORK. ESTABLISHED lSfJ Th ere is a Iran&ferteK for every projection need! if Manufactured exclusively by THE HERTNER ELECTRIC CO. 12690 ELMWOOD AVENUE CLEVELAND, OHIO U.S.A.