LIBROS DEL AUTOR: robert badella

2 resultados para LIBROS DEL AUTOR: robert badella

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  • Gold Rush of California
    Robert Badella
    John Sutter and James Marshall actually formed a partnership together on August 27, 1847 for the purpose of building a saw mill along the American River located in the Sacramento Valley. While inspecting the waters depth of a tailrace ditch on January 24th 1848, Marshall apparently discovered what appeared to be gold. For them to obtain legal title of that gold, Sutter and Ma...
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    18,54 €

  • The Early Steam Locomotive
    Robert Badella
    This story begins with James Watt the inventor which voluntarily created a separate condenser for steam engines. However it had been Richard Trevithick of England who was solely responsible for producing high-pressure steam through a smokestack. The initial setting takes place during 1829 near Liverpool at a historical site known as Rainhill. A competitive race was strategicall...
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    20,38 €