Machine Methods of Accounting. A Manual of the Basic Principles of Operation and Use of International Electronic Bookkeeping and Accounting Machines

First edition. With many diagrams and illustrations, in 23 individually paginated sections. 4to. First Edition of this manual issued in separate parts by IBM during the period just before the invention of the electronic computer, when the company dominated the market for punch-card tabulators and other calculating and data-processing machines. The most sophisticated of IBM's electric punched card tabulators could be programmed by plug boards, and represented an intermediate step between traditional tabulating machines and the programmable computers that were developed during World War II. "Primarily, this book was written to provide a single volume from which employees of International Business Machines Corporation may thoroughly familiarize themselves with the complete list of bookkeeping and accounting machines manufactured by their company, and with the operation of such machines of furnishing figure-facts automatically" (p. [6]). The manual is copiously illustrated with photographs and drawings of IBM's accounting machines, punch cards and related equipment. Black cloth pressure binder. Light rubbing to extremities. Very good. Provenance: IBM With many diagrams and illustrations, in 23 individually paginated sections. 4to.…