Instruction Manual 7a18/7a18n ; Dual Trace Amplifier ;

Beaverton, OR: Tektronix, Inc., (1974, 1971). Second ed.? ("new material 1974"). Medium quarto in pale blue plastic wraps and white spiral binding; various pagings (approx 100 pages: numerous charts, illus and diagrams in b/w, some folding. Fine. Paperback.

Scarce.