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MAKE A MEME View Large Image ...New Catechism of the Steam Engine, 1904).jpg Scans from 'New Catechism of the Steam Engine' 1904 Steam engines with slide valves

...New Catechism of the Steam Engine, 1904).jpg Scans from 'New Catechism of the Steam Engine' 1904 Steam engines with slide valves

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Keywords: Grid-iron slide valves (New Catechism of the Steam Engine, 1904).jpg Scans from 'New Catechism of the Steam Engine' 1904 Steam engines with slide valves