File:Bell telephone magazine (1922) (14776149173).jpg

Identifier: belltelephonevol21mag00amerrich (find matches)
Title: Bell telephone magazine
Year: 1922 (1920s)
Authors: American Telephone and Telegraph Company American Telephone and Telegraph Company. Information Dept
Subjects: Telephone
Publisher: (New York, American Telephone and Telegraph Co., etc.)
Contributing Library: Prelinger Library
Digitizing Sponsor: Internet Archive

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
arrangement, as in most of thelarge cities, and a four-column make-up was used where the customer di-rectory was on a three-column basis.This resulted in a larger page size forthe Information directory, but reducedthe number of pages considerably,with resultant savings in printing ex-pense and increased printing speed.From the standpoint of ease of use asInformation records, the larger pagesize is considered more desirable, asthe resulting smaller number of pagesfacilitates reference. In the preliminary considerationgiven to methods of printing Informa-tion directories, it was obvious thatthe production speed required madeit essential that these directories beprinted directly from type, eliminat-ing the intermediate step of plate mak-ing. Consideration was given to thepossibility of printing the alphabeticalInformation directory from the sameset of type used for the customer di-rectory. Tests indicated, however,that the frequency of handling and 19^ Frequently Reprinted Directories 21
Text Appearing After Image:
Type-setting Machines The intricate mechanisms in this group, which set customers individual listings, areequipped to cast hard-metal listing slugs normal wear in printing would im-pair the clarity of the type when usedfor making plates for printing the cus-tomer directory. Accordingly, theplan adopted for the first alphabeticalInformation directories provided forthe use of an additional set of listingslugs, which was maintained inde-pendently of the type used for theregular customer directory. This ar-rangement, while considered satisfac-tory at the time, required considerableduplication of operations on the partof the telephone company in main-taining printers listing copy, and onthe part of the printer in setting upand handling two complete sets oflisting slugs. Development of Hard Metal Type In the original consideration of theproblem, it had been recognized thatthe use of one set of listing slugs forboth the Information directory andthe regular directory would be aneconomy and wo

Note About Images