Memoirs of the Most Eminent American Mechanics: Also, Lives of Distinguished European Mechanics; Together with a Collection of Anecdotes, Descriptions, &c. &c., Relating to the Mechanic ArtsHarper & brothers, 1847 - 482 páginas |
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Página 28
... feet in length , and , as observed in the text , was propelled by a pump worked by a steam engine , which forced a quantity of water up through the keel ; the valve was then shut by the return of the stroke , which at the same time ...
... feet in length , and , as observed in the text , was propelled by a pump worked by a steam engine , which forced a quantity of water up through the keel ; the valve was then shut by the return of the stroke , which at the same time ...
Página 30
... feet , and each vibration of it gives the axis about forty evolutions . Each evolution of the axis moves twelve oars or paddles five and a half feet ; they work perpendicularly , and are represented by the strokes of a paddle of a canoe ...
... feet , and each vibration of it gives the axis about forty evolutions . Each evolution of the axis moves twelve oars or paddles five and a half feet ; they work perpendicularly , and are represented by the strokes of a paddle of a canoe ...
Página 33
... feet , and wet their arms and ammunition . ' He complains of his poverty ; and to raise funds , he urges Mr. Rittenhouse to purchase his lands in Kentucky , that he might have the honor of enabling him to com- plete the great ...
... feet , and wet their arms and ammunition . ' He complains of his poverty ; and to raise funds , he urges Mr. Rittenhouse to purchase his lands in Kentucky , that he might have the honor of enabling him to com- plete the great ...
Página 33
... feet, and wet their arms and ammunition.” He complains of his poverty; and to raise funds, he urges Mr. Rittenhouse to purchase his lands in Kentucky, that he “might have the honor of enabling him to complete the great undertaking ...
... feet, and wet their arms and ammunition.” He complains of his poverty; and to raise funds, he urges Mr. Rittenhouse to purchase his lands in Kentucky, that he “might have the honor of enabling him to complete the great undertaking ...
Página 75
... feet of marble in twelve hours , made a great show and excited much attention . I thought this was sufficient to convince the thousands of spectators of the utility of my discovery , but I frequently heard them inquire if the power ...
... feet of marble in twelve hours , made a great show and excited much attention . I thought this was sufficient to convince the thousands of spectators of the utility of my discovery , but I frequently heard them inquire if the power ...
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Términos y frases comunes
afterwards American appeared applied Archimedes Arkwright attempt attention Automaton boat canal cards carriage carried clock commenced constructed contrivance cotton cotton gin cylinder difficulties distance early Eddystone lighthouse effect electricity employed employment enabled engaged England erected Evans executed exertions exhibited expense experiments father feet fire Franklin French friends Fulton genius glass ground hand honor hour hundred improvements inches ingenious invention inventor Jaquet Droz JOHN SMEATON labor machine machinery manner manufacture means mechanical ment miles mill mind motion move navigation never obelisk object observed obtained Oliver Evans operation passed patent perfect performed person pieces piston possessed present produced propelling pursuit Richard Arkwright river Robert Fulton SAMUEL CROMPTON says ship soon spinning steam engine steamboats stocking frame stone success Thames Tunnel thing thousand tion torpedoes turned vessel Watt weft wheel Whitney whole workmen