Letter Sorting Machine (LSM)

Letter Sorting Machine (LSM) - A large mechanized machine that can sort letters into as many as 277 bins. Operators physically read the address and then manually enter an extraction code, via keyboard, based on their memory of the sort scheme loaded into the machine's computer software. (Also see multiposition letter sorting machine (MPLSM) .)

[Category=Postal ]

Source: USPS, 28 September 2009 09:57:13, http://www.usps.com/cpim/ftp/pubs/pub32/pub32h_p.html