How To Make A Coal Fired Steam Engine Boiler Plant - Part #27 - The "Proper Steam Test" showing the Model Kingdon Boiler in Steam in my garden on a beautiful Summer day in late July 2017. The boiler is shown running at full working pressure - a successful boiler test - ! IF ANYONE WISHES TO MAKE A SMALL DONATION TOWARDS THE COST AND THE TIME THAT IT TAKES ME TO MAKE THESE VIDEOS - PLEASE USE THESE LINKS: https://www.paypal.me/keithappleton
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