I am quite happy on how this turned out. I was surprised how a bit of Scotchbrite cleaned up the front.
I have finished up restoring this old 1936 Oscilloscope. Originally this "Oscillograph" used a 1-inch diameter CRT, but was upgraded to a 2-inch tube at sometime in its life.
I am quite happy on how this turned out. I was surprised how a bit of Scotchbrite cleaned up the front.
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Got this bad boy running after sitting in my garage since last fall. Now all I need to do is try and paint the case in such a way as to preserve the front panel writing. It is raised so I should be able to do it.
Some pictures of the inside of the RCA 151 Oscillograph that I picked up the other day. It is in remarkably good condition. Even the cloth covered wiring is in good shape. It is interesting how the CRT was upgraded to a larger size. Originally it would have housed a 1" diameter CRT, but they upgraded it with a larger 2" tube. This one even had the case cut with a torch to fit a metal cylinder to shield and house the larger CRT. Not badly done. A similar Cathode Ray Oscillograph is talked about in a Mr. Carlson's Lab video. The only real difference is that mine has an RCA label on it. GE, RCA and Westinghouse often made the same equipment with their own labels on it. |
AuthorCharles Baetsen holds a Bachelor and a Master's degree in Engineering Physics from McMaster University in Hamilton, Canada. Archives
February 2024
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