The Bell System Technical Journal volume IX no. 1 January 1940, includes H Nyquist and K W Pfleger, Effect of the Quadrature Component in Single Sideband Transmission. Nyquist, Bell System Technical Journal volume IX no. 1 January 1940.

The Bell System Technical Journal volume IX no. 1 January 1940, includes H Nyquist and K W Pfleger, Effect of the Quadrature Component in Single Sideband Transmission.

BSTJ, American Telephone and Telegraph Co, NY 1940; vol IX no. 1, January 1940; whole issue, blue paper wraps, pp 1 - 160 inclusive; photographs, illustrations, references.

Condition: Very Good overall, light blue paper wraps, larger format size, binding is sound and secure, paper darkened along spine and outer margins; internal pages clean, unmarked, secure; light chipping at head and tail of spine.

Price: $20.00

Item Description

Contents - The Physical Basis of Ferromagnetism (Bozorth); Contact Phenomena in Telephone Switching Circuits (Curtis);

Effect of the Quadrature Component in Single Sideband Transmission (Nyquist and Pfleger); Low Temperature Coefficient Quartz Crystals (Mason); A New Standard Volume INdicator and Reference Level (Chinn, Gannett and Morris);

Metallic Materials in the Telephone System (Earle E Schumacher and W C Ellis); technical digest -- An Interesting Application of Electron Diffraction (Germer and Storks); abstracts of technical papers; contributors to this issue (brief biographies).