00818cam a22002051  4500003000800000005001700008008004100025010001700066015001400083040002700097082001500124100002500139245020600164250005600370260004000426300004400466490004400510650003300554650002500587BD-DhUL20170621135830.0731207s1967    enka          000 0 eng    a   67070077   aB66-21723  aDLCcDLCdDLCdBD-DhUL00a651.2bMAN1 aMercer, G. Lawrence.10aThe manual of modern business equipment :bReference Equipment : Visible, Rotary and Strip Systems - Formerly published under the title of Visible Record and Reference Equipment / cG. Lawrence Mercer.  a3rd ed., completely revisedbby G. Lawrence Mercer.  aLondon :bMacDonald & Evans,c1967.  avarious pagings :billus. ;c21 1/2 cm.0 aThe Manual of modern business equipment 0aAccountingxData processing. 0aAccounting machines.