BOOKS - EQUIPMENT - Переговорные устройства. Массовая радиобиблиотека. Вып 431...
US $8.96
687144
687144
Переговорные устройства. Массовая радиобиблиотека. Вып 431
Year: 1962
Number of pages: 40
Format: DJVU | PDF
File size: 11 MB
Number of pages: 40
Format: DJVU | PDF
File size: 11 MB
The brochure discusses the principles of building loudspeaker intercom devices designed for dispatching communications at a plant, construction site, institution, etc. Descriptions of homemade intercom devices are placed. The brochure is intended for amateur radio designers.