The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art, Volume 5Gould, Kendall, and Lincoln, 1854 |
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Pagina 32
... moved by a pully on the lower end of the shaft , which stands in a step - block , and that block rests on a screw by which the buhr is set to grind fine or coarse . With four horse - power it will grind four to six bushels per hour ...
... moved by a pully on the lower end of the shaft , which stands in a step - block , and that block rests on a screw by which the buhr is set to grind fine or coarse . With four horse - power it will grind four to six bushels per hour ...
Pagina 38
... moved by a crank on the fly - wheel shaft under the box . The fly - wheel is of iron , 2 feet across , the rim an inch and a quarter in diameter , weighing perhaps 40lbs . , and is driven by a spur - wheel 8 inches across , on the end ...
... moved by a crank on the fly - wheel shaft under the box . The fly - wheel is of iron , 2 feet across , the rim an inch and a quarter in diameter , weighing perhaps 40lbs . , and is driven by a spur - wheel 8 inches across , on the end ...
Pagina 48
... moved along the slot towards the other end of the blades , to be finished . The conical and spiral form of the blades cause a gradual change in the direction of the blows from the feed end , where the blows fall at right angles to the ...
... moved along the slot towards the other end of the blades , to be finished . The conical and spiral form of the blades cause a gradual change in the direction of the blows from the feed end , where the blows fall at right angles to the ...
Pagina 70
... moved with a low head of water . One improvement consists in form- ing an air seal or packing , to separate the water above from the water below the piston , by extending the piston upwards at its sides , in the form of an open topped ...
... moved with a low head of water . One improvement consists in form- ing an air seal or packing , to separate the water above from the water below the piston , by extending the piston upwards at its sides , in the form of an open topped ...
Pagina 73
... moved steadily forward with an unfailing confidence in their ultimate success ; and we are rejoiced to learn their labors are being crowned with a rich reward , exceeding their most sanguine expectations . The fabric they manufacture ...
... moved steadily forward with an unfailing confidence in their ultimate success ; and we are rejoiced to learn their labors are being crowned with a rich reward , exceeding their most sanguine expectations . The fabric they manufacture ...
Overige edities - Alles bekijken
The Annual of Scientific Discovery, Or, Year-book of Facts in ..., Volume 5 Volledige weergave - 1854 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art Volledige weergave - 1857 |
The Annual of Scientific Discovery, Or, Year-book of Facts in Science and Art Volledige weergave - 1856 |
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