A Description of the Differential Expansive Pumping Engine: Giving Practical Examples of Engines at Work, and a List of Some of the Engines Already ... Pumps and Pumping Engines (Classic Reprint) - Softcover

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Excerpt from A Description of the Differential Expansive Pumping Engine<br/><br/>The success which has attended the introduction of the Differential Engine, and the request I Often receive for informa tion respecting it, has induced me to publish a description of the engine with illustrations of the different types which are in use; and in doing so I have appended a few notes and memoranda which may be of some use to practical men engaged in pumping Operations.

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