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Donation request: We have so many large format manuals to scan. It would only be possible with a large scale scanner. Such as a DS-70000 or something else that could scan 11.5x100 paper. See email information below (be sure to include BAMA in the subject line).
Photographs and manual for Gross CW-25 transmitter and power supply. Compliments of Bob Mattson, W2AMI. Here are some comments from Bob on his CW-25: A secretary must have typed an original (manual) copy for each sale with typos. The manual says CP-25 but it is for the CW-25 according to the original owner and the tube line-up is the same as mentioned in the manual. I believe the CP-25 is a double deck CW-25 with modulator deck? My Gross CW-25 transmitter was bought in 1935 by Art,W2JLW then 15 years old. He said his best DX was VKs on 20m CW from NY - Europe was easy.