The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
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Página 80
... and bound it . HARVESTING MACHINERY The Header . All reaping devices thus far considered have aimed at mechanical advantages alone . All of those subse- quently discussed endeavor , not only to extend and improve 80 THE BOOK OF WHEAT.
... and bound it . HARVESTING MACHINERY The Header . All reaping devices thus far considered have aimed at mechanical advantages alone . All of those subse- quently discussed endeavor , not only to extend and improve 80 THE BOOK OF WHEAT.
Página 83
... machinery placed the power in front of the ma- chine . This involves either a side cut or driving the power through the grain . On account of the great width of cut in the header the side cut would give great side draft , and as there ...
... machinery placed the power in front of the ma- chine . This involves either a side cut or driving the power through the grain . On account of the great width of cut in the header the side cut would give great side draft , and as there ...
Página 85
... machinery . The first patent on a reaping machine was granted in Eng- land to Joseph Boyce in 1799. Its only title to fame is priority . A year later an unsuccessful attempt was made to adopt shears as a cutting apparatus . This machine ...
... machinery . The first patent on a reaping machine was granted in Eng- land to Joseph Boyce in 1799. Its only title to fame is priority . A year later an unsuccessful attempt was made to adopt shears as a cutting apparatus . This machine ...
Página 87
... machinery . Binders have been divided into two classes : Those in which the binding device is attached to a machine of the self - rake pattern , called the " low - down " class ; and those in which the grain is elevated to the binder ...
... machinery . Binders have been divided into two classes : Those in which the binding device is attached to a machine of the self - rake pattern , called the " low - down " class ; and those in which the grain is elevated to the binder ...
Página 88
... machinery was made by John E. Heath of Ohio . His patent ( 1850 ) was on a twine or cord binder of the low - down type . Next ( 1850-1851 ) appeared the first machine with men riding on it to bind the grain as it was cut . It had a box ...
... machinery was made by John E. Heath of Ohio . His patent ( 1850 ) was on a twine or cord binder of the low - down type . Next ( 1850-1851 ) appeared the first machine with men riding on it to bind the grain as it was cut . It had a box ...
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