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THE PRINTING PRESS AND THE BACK
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agriculture Alfred Vail already Ameri American invention artisans became began bloomeries boat Boston British brought called century civilization clipper ship clock coal colonies Colt cotton cylinder Cyrus Hall McCormick demand device early economic effect electric telegraph electricity Eli Whitney England English Europe fact factory farm farmers Fitch force Franklin frontier Fulton gold guns hand Henry history of invention important industrial revolution inventor iron John Fitch John Stevens labor land later locomotive machinery magnet manufacture Massachusetts McCormick mechanical mills mind Morse moved muskets never Oliver Evans operation patent Pennsylvania printing produced railroad reaper record revolver rifle river Robert Fulton sailed Samuel Samuel Colt Samuel Slater scientific seems sewing machine social society South speed steamboat steel story telegraph textile things tion trade turned United Vail Virginia Washington West wheels Whitney wire women Yankee York