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Analog Methods - reprint no. 27, Presented at and reprinted from the Twelfth Annual Symposium Computors (computers) in the Process industry, April 1960. Bruce Seddon, Inc George A. Philbrick Researches.

Analog Methods - reprint no. 27, Presented at and reprinted from the Twelfth Annual Symposium Computors (computers) in the Process industry, April 1960.

George A Philbrick Researches, Inc, boston MA April 5, 1960, 14 pages, double-column text, diagrams.
Condition: Very Good overall, 8.5x11 stapled binding, three-hole punched at margin, engineering corp. rubberstamp at front cover lower righthand corner. Binding staples are tight, pages clean, unmarked.
Price: $20.00
Item no. R250
Item Description
First and foremost, analog computing is really another expression for model building. Every analog computor is truly a model, both by definition and in every other practical sense. In application to process controls particularly, we think of every operation as being a model of some part of a physical process... Heart and core of the present day analog art is the operational amplifier...' (from the introduction).