Practical wireless telegraphy; a complete text book for students of radio communication . ARMATURE Fig. 73—Circuit of Automatic Starter for Marconi Yi K. W. 120 Cycle Set. functions. If the source
Guglielmo Marconi Signed Photograph | Sold for $1,165 | RR Auction
Marconiana - Society of Wireless Pioneers
Guglielmo Marconi - Major discoveries and innovations in long-distance communication and shortwave | Britannica
Off Center Fed Dipole Antenna, 80-6 Meters, 1.5KW/5KW PEP rated - FREE shipping in USA
A Centennial Celebration of Marconi & RCA Wireless Radio in West Marin, 1914-2014 - Point Reyes National Seashore (U.S. National Park Service)
Loewe Opta Magnet Radio Vintage Radio Orjinal Old Radio - Etsy
1918 Marconi Wireless Telegraph 5KW Quenched Spark Gap From Great Lakes Naval Radio Station - TechnoGallerie
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A Centennial Celebration of Marconi & RCA Wireless Radio in West Marin, 1914-2014 - Point Reyes National Seashore (U.S. National Park Service)
Marconi Apparatus
So What Did Marconi Hear?
A modern Marconi ship's 1? KW installation including a continuous wave valve transmitter; wireless direction finder; 4 electrode valve amplifier and tuner; quenched spark transmitter; emergency spark transmitter. - NYPL Digital Collections