The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
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Página 83
... header . The first header was constructed by William Pitt in 1786. It was an attempted improvement on the ancient ma- chine in that the stripping teeth were placed in a cylinder which was revolved by power transmitted from the wheels ...
... header . The first header was constructed by William Pitt in 1786. It was an attempted improvement on the ancient ma- chine in that the stripping teeth were placed in a cylinder which was revolved by power transmitted from the wheels ...
Página 84
... header . It cuts from 12 to 20 feet in width , and from 15 to 50 acres a day . In Washington three headers and one threshing machine usually work together . From 50 to 75 acres a day are thus harvested . Three header - boxes , or barges ...
... header . It cuts from 12 to 20 feet in width , and from 15 to 50 acres a day . In Washington three headers and one threshing machine usually work together . From 50 to 75 acres a day are thus harvested . Three header - boxes , or barges ...
Página 85
An Economic History and Practical Manual of the Wheat Industry Peter Tracy Dondlinger. headers , is acciprocating rectilinear motion . As perfected , this type involves the principles of both the saw and the shears . In Pitt's " rippling ...
An Economic History and Practical Manual of the Wheat Industry Peter Tracy Dondlinger. headers , is acciprocating rectilinear motion . As perfected , this type involves the principles of both the saw and the shears . In Pitt's " rippling ...
Página 89
... Header - Binder is the most recent development in binders , and is , as the name suggests , merely a binder attached to the header . It has the wide cut of the header and the grain can be cut in the same condition as with a binder or ...
... Header - Binder is the most recent development in binders , and is , as the name suggests , merely a binder attached to the header . It has the wide cut of the header and the grain can be cut in the same condition as with a binder or ...
Página 92
... header , and recleaner , " the effect being a steady and uniform motion of all parts at all times and in all conditions of the grain and at any speed at which the harvester may be traveling . " The traction engine is 110 horse - power ...
... header , and recleaner , " the effect being a steady and uniform motion of all parts at all times and in all conditions of the grain and at any speed at which the harvester may be traveling . " The traction engine is 110 horse - power ...
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