A radio technician's manual from the interwar period, written by practitioners for practitioners. Practical Measurements of Alternating Voltages is Service Manual No. 6 in the series signed by A. Planès-Py and J. Gély, published by the authors themselves, at 5 rue d'Envedol in Béziers (Hérault). Sales and distribution are handled by Béziers Editions Service, with dealers in Brussels and Geneva. This is the 10th edition, completely revised and augmented. The content deals with the measurement of alternating voltages, with two distinct approaches. Rectifier voltmeters first, then vacuum tube voltmeters. The wiring diagrams are detailed. 6F5 tubes, paper capacitors, wire-wound potentiometers, high-value resistors. A precise, well-documented technique, intended for radio technicians and knowledgeable enthusiasts of the era. The Planès-Py and Gély Service Manual series covers alignment, heterodyne, coil winding, antennas, vacuum tubes, oscillographs, anti-fading, and shortwave reception. A reference set for amateur radio and professional radio. Softcover brochure, grained beige cover, black rule border. Very worn spine, headcap torn off, rubbed corners. Clean and complete interior, clear and legible diagrams.
Additional details:
- Brand: Planès-Py et Gély
- Designer: A. Planès-Py
- Designer: J. Gély
- Material: Cardboard
- Period: l'entre-deux-guerres