The speedy preparation of mail into orderly groups suitable for machine sorting became an essential prerequisite for any letter mail mechanization system. The search by the P.O. for a suitable method is traced. The cylindrical segregating drum method is described in detail, together with some interesting variants. Problem areas are discussed and future designs are considered.
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References
1.
CoppingG. P.MyersT.‘Mechanization of the initial stages of processing mail’, P.O. Elect. Engrs’ J.196052 (Pt 4, January), 286.
