Weird Soviet version (12SH1L or 12J1L) of the equally unusual German RV12P2000 tube I bought a month or two ago. Both have a pull tab on top (shown in the bottom here) to aid with installation and removal from its socket
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Testing a classic Timex/Sinclair 1000 computer. It seems to work but the screen slowly scrolls. There doesn't seem to be any way to adjust the TV to compensate. Perhaps it works better on an old CRT set.
The Timex/Sinclair 1000 was the first computer that was available for under $100.00. It was pretty basic. 1 kB of RAM, Chiclets keyboard, B&W output and not much bigger than your hand. Sinclair was quite a clever guy though. The Sinclair Spectrum, its successor, was very popular in Europe, especially in the UK. It competed quite successfully with the Commodore C-64. Tested out the Atari 400 I picked up back in December. It has only an RF output, so I had to hook it up to an actual TV. Surprisingly, it worked really well on a modern LCD TV. Picked up this Atari 800XL from Toyratt a while back. Not a bad little computer. It was competition for the C64 back in the day. I can see why. Some of the games for it are not too bad.
My hobby room is almost finished. Just one more thing to do, the hidden bookcase door to the closet under the stairs. Over the last several months, I have been slowly been transforming this space into something much more organized and functional than what I had before. For example, instead of storing my antique radios in a shelf in the hallway outside, I now have a nice built-in shelving unit to store them. I have also extended my work bench so that it now covers three walls. On top of that, I created two units to hold all my misc electronic/computer/radio parts in small parts bins. I am a visual person, and like to see what I have at a glance, rather than sorting through boxes etc. |
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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