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Author Topic: Oscillator without a safety valve  (Read 1256 times)

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Re: Oscillator without a safety valve
« on: December 13, 2025, 04:36:31 pm »
Although there have been some commercial oscillating toy engines made without a s/v, even as late as the 1960's, it would only take a simple blockage of the steam pipe to ruin your day.
Just my opinion..

Dave
In a world of small engines every man is a giant