Extensions to the Theory and Design of Electric Wave Filters, Bell Telephone System Monograph B-556 April 1931. Otto J. Zobel.

Extensions to the Theory and Design of Electric Wave Filters, Bell Telephone System Monograph B-556 April 1931.

Bell Telephone Laboratories NY April 1931, 58 pages, illlus., orig published BSTJ April 1931.

Condition: Very Good or a bit better, small monograph format, blue paper covers, stapled binding, 3-hole punched at margin as issued, staples are secure, slight fading to extremities, inside pages tightr and clean.

Price: $10.00

Item Description

Derivations of Wave-filter structures which are desirable for terminating purposes and of networks which simulate the impedances of wave-filters and loaded lines.