How It Works Special Section of Volume IX Riders Manual

How It Works Special Section of Volume IX Riders Manual by John F Rider, New York, NY, 1938. 1st Edition. Paperback. Size 4to (up to 12'' tall). Condition: Good. Covers watermarked, overall content not marked, in vg condition. 36 Pgs. Conventional Alignment Procedure; A description of the general methods for aligning receivers. Philco Mystery Control. New Radio Symbols. Meter and Shadow-Type Indicators. Saturable Core Tuning Indicators. The Electronic Piano. Illustrated with drawings. Description text copyright 2010 BooksForComfort. Item ID 20847.