Mercer, G. Lawrence.
The manual of modern business equipment : Reference Equipment : Visible, Rotary and Strip Systems - Formerly published under the title of Visible Record and Reference Equipment / G. Lawrence Mercer. - 3rd ed., completely revised by G. Lawrence Mercer. - London : MacDonald & Evans, 1967. - various pagings : illus. ; 21 1/2 cm. - The Manual of modern business equipment .
67070077
B66-21723
Accounting--Data processing.
Accounting machines.
651.2 / MAN
The manual of modern business equipment : Reference Equipment : Visible, Rotary and Strip Systems - Formerly published under the title of Visible Record and Reference Equipment / G. Lawrence Mercer. - 3rd ed., completely revised by G. Lawrence Mercer. - London : MacDonald & Evans, 1967. - various pagings : illus. ; 21 1/2 cm. - The Manual of modern business equipment .
67070077
B66-21723
Accounting--Data processing.
Accounting machines.
651.2 / MAN