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 20
... side ( leaving a small space at the heel and toe ) in three minutes , cutting its own pegs . One man only is required to operate it , without auxiliary power . A good workman will peg a shoe by hand in fifteen minutes . A machine for ...
... side ( leaving a small space at the heel and toe ) in three minutes , cutting its own pegs . One man only is required to operate it , without auxiliary power . A good workman will peg a shoe by hand in fifteen minutes . A machine for ...
Pagina 28
... side ; the nave 41 , each aisle 54 feet wide . The central portion or nave is carried up to the height of 67 feet , and the semi - circular arch by which it is spanned is 41 feet broad . There are thus in effect two arched naves ...
... side ; the nave 41 , each aisle 54 feet wide . The central portion or nave is carried up to the height of 67 feet , and the semi - circular arch by which it is spanned is 41 feet broad . There are thus in effect two arched naves ...
Pagina 29
... sides . They receive a cast - iron bed - plate to which the cast - iron shoes for the ribs of the dome are bolted . The latter are 32 in number . They are constructed of two curves of double angle - iron , securely connected together by ...
... sides . They receive a cast - iron bed - plate to which the cast - iron shoes for the ribs of the dome are bolted . The latter are 32 in number . They are constructed of two curves of double angle - iron , securely connected together by ...
Pagina 32
... side . As these teeth come round with their load , a trigger on the drum throws them back inside , so that stones getting between the teeth do not stop or break them . It can be made to pick up apples , potatoes , or any other vegetable ...
... side . As these teeth come round with their load , a trigger on the drum throws them back inside , so that stones getting between the teeth do not stop or break them . It can be made to pick up apples , potatoes , or any other vegetable ...
Pagina 33
... side of the bars . The teeth pass between one row of teeth in the concave , which is made of bars of iron , open so the grain may fall through . The shaft of the cylinder is 34 inches above the ground , and is driven by a spur wheel on ...
... side of the bars . The teeth pass between one row of teeth in the concave , which is made of bars of iron , open so the grain may fall through . The shaft of the cylinder is 34 inches above the ground , and is driven by a spur wheel on ...
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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