Motive Powers and Their Practical SelectionLongmans, Green, and Company, 1894 - 257 páginas |
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Página 14
... driver , even at a higher cost for wages . The Question of Labour is one that frequently requires serious consideration , while in certain localities it is so abundant and low - priced as almost to compete with mechani- cal force , it ...
... driver , even at a higher cost for wages . The Question of Labour is one that frequently requires serious consideration , while in certain localities it is so abundant and low - priced as almost to compete with mechani- cal force , it ...
Página 24
... driving of machinery is by means of an apparatus known in the trade as a " horse - gear . " This consists of a framing to be placed on the ground , containing a vertical shaft or spindle , on which is mounted a large bevel cog - wheel ...
... driving of machinery is by means of an apparatus known in the trade as a " horse - gear . " This consists of a framing to be placed on the ground , containing a vertical shaft or spindle , on which is mounted a large bevel cog - wheel ...
Página 33
... well 100 feet deep into a reservoir . 16 - foot wheel , on a roof 70 feet high , driving a lathe and drilling machine and also pumping from basement to roof . 16 - foot wheel , on steel tower 24 feet 3 THE POWER OF WIND . 33.
... well 100 feet deep into a reservoir . 16 - foot wheel , on a roof 70 feet high , driving a lathe and drilling machine and also pumping from basement to roof . 16 - foot wheel , on steel tower 24 feet 3 THE POWER OF WIND . 33.
Página 34
... driving two pairs of 4 - foot millstones and a friction hoist for sacks . In a day this mill , with one pair of stones , grinds 15 sacks of wheat . 30 - foot wheel , driving a pair of 48 - inch burr stones , a crush- ing mill , and a ...
... driving two pairs of 4 - foot millstones and a friction hoist for sacks . In a day this mill , with one pair of stones , grinds 15 sacks of wheat . 30 - foot wheel , driving a pair of 48 - inch burr stones , a crush- ing mill , and a ...
Página 35
... XXXV . , devoted to electricity and its stor- age , will be found full particulars and costs of dynamos and accumulators , with their outputs of current and correspond- ing lamps , and also power for driving motors , THE POWER OF WIND . 35.
... XXXV . , devoted to electricity and its stor- age , will be found full particulars and costs of dynamos and accumulators , with their outputs of current and correspond- ing lamps , and also power for driving motors , THE POWER OF WIND . 35.
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Términos y frases comunes
50 feet adopted amount ampères apparatus arranged average belt calculation cast-iron cent CHAPTER chimney coal compound engine condensation Cornish boilers cost crank cubic feet cubic foot cylinder Diam driving dynamo economy effective horse-power electric equal evaporated exhaust steam fall feed-water feet per minute flues fuel furnace gas-engine gine given grate area Heads in Feet heating surface HORIZONTAL ENGINES Horse horse-power per hour imperial gallons inch diameter indicated horse-power iron lamp Lancashire Lancashire boilers length Load machine machinery mill motive power motor nominal horse-power oil-engine Pelton Wheel pipes piston plates portable portable engines pounds practical proportions pump purposes quantity of water Revolutions per Minute shaft single-cylinder sizes space speed square feet square foot square inch steam-engine Stroke suited supply temperature thickness tubes turbine valve vary velocity vertical engine volts water-wheels Watts weight wheel Width wind windmill ΙΟ
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