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CREI (Capital Radio Engineering Institute) by McGraw Hill Co.
This was the third correspondence course I took. I was already working as a camera repair technician on high-end professional grade equipment such as Nikon, Minolta, Olympus, and Leica. Cameras were becoming more electronic in content and my boss told me I could get a nice raise if I went out and learned electronics. Also, my best friend Ritchie worked as an electrical engineer for closed circuit TV Company. He did teach me some things, but he was more into analog electronics. I wanted to learn about digital logic circuits. So I bought this course and worked on it at home after work each night for a few months. At left on the breadboard panel is a shutter speed tester I designed by myself using TTL logic chips. There were 32 other Camera Repair Technicians in the shop I worked for. This project made it clear to all the guys that I knew my stuff. I did not finish the CREI course because I decided there was no future in fixing cameras for a living. I predicted from what I saw inside of cameras in 1978, that in the future as cameras became more electronic in content they would have less mechanical moving parts. Thus there would be less need for guys like me to repair them. I was right because Digital Cameras have decimated the film camera business. In 1980 I decided to make a move into fixing industrial machinery instead, a move I have never regretted for one single moment.