Shannon, Claude. "Computers and Automata". AND Shannon and Moore, Edward F. "Machine aid for switching circuit design". Both (plus 39 other papers) occupies part of the mammoth 1819-page (twelve pound) half-yearly issue of volume 41 of the *Proceedings of the Institute of Radio Engineers*. This is the famous “The Computer Issue” , a stone-cold classic, and appears as the entire issue for October 1953, vol 41 #10. The rich contents are composed of 41 articles and occupying pp 1219-1568.

Bound in cloth. Very good copy. Provenance: Stanford University Engineering Library. Both Shannons are first edition, appearing for the first time in this journal. SOLD

Shannon, Claude. "Computers and Automata". Pp 1234-1241. “This paper reviews briefly some of the recent developments in the field of automata and nonnumerical computation. A number of typical machines are described, including logic machines, game-playing machines and learning machines, Turing's formulation of computing machines or universal machines, and von Neumann's models of self-reproducing automata.”--Summary to the paper.

Shannon and Moore, Edward F. "Machine aid for switching circuit design", pp 1348-1351. Abstract: “The design of circuits composed of logical elements may be facilitated by auxiliary machines. This paper describes one such machine, made of relays, selector switches, gas diodes, and germanium diodes. This machine (called the relay circuit analyzer) has as inputs both a relay contact circuit and the specifications the circuit is expected to satisfy. The analyzer (1) verifies whether the circuit satisfies the specifications, (2) makes systematic attempts to simplify the circuit by removing redundant contacts, and also (3) obtains mathematically rigorous lower bounds for the numbers and types of contacts needed to satisfy the specifications. A special feature of the analyzer is its ability to take advantage of circuit specifications which are incompletely stated. The auxiliary machine method of doing these and similar operations is compared with the method of coding them on a general-purpose digital computer. “--Abstract.

The issue contains 41 articles on the leading edge of electronic computing knowledge, including works by Claude Shannon, Grace Hopper, John Mauchly, Wilkes, Eckert and many others. Some of the most significant include:

Buchholz, Werner. "The system design of the IBM Type 701 computer" (describing the overall system design of IBM’s first electronic digital computer).

**Burks, Arthur and Wright, Jesse B. "Theory of logical nets".

Elbourn & Witt, "Dynamic Circuit Techniques Used in SEAC and DYSEAC".

Frizzell, Clarence E. "Engineering description of the IBM Type 701 computer

Greenwald, Sidney; Haueter, R. C.; and Alexander, S. N. "SEAC".

**Hopper, Grace M. and Mauchly, John. "Influence of programming technique on the design of computers".

Huskey, Ambrose and Yowell, "The SWAC design features and operating experience".

Palevsky, "The Design of the Bendix Digital Differential Analyzer".

Samuel, Computing Bit by Bit or Digital Computers Made Easy".

**Wilkes, Maurice. "Can Machines Think?"

Among the machines described here include the Remington Rand Type 409-2 Electronic Computer; The System Design of the IBM Type 701 Computer; Engineering Description of the IBM Type 701 Computer; The Arithmetic Element of the IBM Type 701 Computer; The SWAC - design features and operating experience; SEAC; Electronic Circuits of the NAREC Computer; A Myriabit Magnetic Core Matrix Memory; A Survey of Analog-to-Digital Converters, among others.