3 Tuloksia löytyi "Tiedosto:Photoelectric_Cells_for_WRNY.png".

Tiedosto:Photoelectric Cells for WRNY.png

DescriptionPhotoelectric Cells for WRNY.png Giant Photoelectric Cells for WRNY'S Television Transmitter. Image cropped from page 256. Radio News, September...


Tiedosto:Radio News Sep 1928 pg256.png

1928 pg256.png Giant Photoelectric Cells for WRNY'S Television Transmitter. A cropped picture is here: Image:Photoelectric Cells for WRNY.png Radio News...


Tiedosto:Radio News Sep 1928 pg221.png

DescriptionRadio News Sep 1928 pg221.png Giant Photoelectric Cells for WRNY'S Television Transmitter. Radio News, September 1928. Volume 10 Number 3. Published...