1938 RCA Transmitting Tubes Technical Manual May 10 Written By Iain Here is some tube porn for the evening. My friend Chris dropped this 1938 RCA manual by today. It is amazing and the tube diagrams are beautiful. It is a little fragile so I didn't flatten the pages to get the images. RCAtransmitting tubes Iain
1938 RCA Transmitting Tubes Technical Manual May 10 Written By Iain Here is some tube porn for the evening. My friend Chris dropped this 1938 RCA manual by today. It is amazing and the tube diagrams are beautiful. It is a little fragile so I didn't flatten the pages to get the images. RCAtransmitting tubes Iain