Mechanics' Magazine, Volumen16Knight & Lacey, 1832 |
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Página 2
... wheel in the centre . Both these wheels are bevelled , as they turn at right angles to each other . In the section they have twelve teeth each , but any number of teeth will do , provided they are equal numbers , as these wheels are not ...
... wheel in the centre . Both these wheels are bevelled , as they turn at right angles to each other . In the section they have twelve teeth each , but any number of teeth will do , provided they are equal numbers , as these wheels are not ...
Página 3
... wheel 32 , by two short pins passing through its plate and the cir cular frame E E. From each of these circular ... wheels and one pinion B 2 IMPROVED TIDE AND LUNAR ROTULA. ...
... wheel 32 , by two short pins passing through its plate and the cir cular frame E E. From each of these circular ... wheels and one pinion B 2 IMPROVED TIDE AND LUNAR ROTULA. ...
Página 4
... wheel or wheels , so that the ex- act time of new , first quarter , full , and last quarterly moon , cannot be cor rectly ascertained . Secondly , the num- bets 57 and 59 , lead to a very serious error in a very short period of time ...
... wheel or wheels , so that the ex- act time of new , first quarter , full , and last quarterly moon , cannot be cor rectly ascertained . Secondly , the num- bets 57 and 59 , lead to a very serious error in a very short period of time ...
Página 9
... wheel w ; l , or L , locomotive power applied to the rim or any lesser radius of the wheel w ; c , or C , the circumference of the wheel , crank , or pulley , to which either locomotive or statumotive power is applied . Now , in running ...
... wheel w ; l , or L , locomotive power applied to the rim or any lesser radius of the wheel w ; c , or C , the circumference of the wheel , crank , or pulley , to which either locomotive or statumotive power is applied . Now , in running ...
Página 34
... wheel , from being so con- fined , is inadequately supplied with water ; the water in front of the wheel is always lower than that in the rear ; and * Remarks on Canal Navigation , illustrative of the Advantages of the Use of Steam as a ...
... wheel , from being so con- fined , is inadequately supplied with water ; the water in front of the wheel is always lower than that in the rear ; and * Remarks on Canal Navigation , illustrative of the Advantages of the Use of Steam as a ...
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Almanac apparatus appears applied axle boats boiler bridge carriage cause centre cholera coal Committee common construction correspondent crank cylinder Deptford diameter effect engine England English equal experiments explosion feet fire Fleet Street force fulcrum give Gravesend horses hour hydrogen improvements inches inclined plane invention iron Junius Redivivus Kinclaven labour less lever Liverpool locomotive London London Bridge machine machinery Magazine means Mechanics ment miles miles per hour minutes mode motion navigation never observed opinion paddle-wheels paddles pass passengers patent persons pipe piston present principle produced propelled pump quantity readers river road Robert Seppings Rothsay Castle sail Saxula side speed spirit Staffordshire steam steam-boats steam-carriages steam-vessels steamers sufficient suppose Temperance Societies thing tide tion toll tons tube valve vessel weight wheel whole witness
Pasajes populares
Página 51 - Who hath woe ? who hath sorrow ? who hath contentions? who hath babbling? who hath wounds without cause ? who hath redness of eyes ? They that tarry long at the wine ; they that go to seek mixed wine.
Página 181 - ... or ever the silver cord be loosed, or the golden bowl be broken, or the pitcher be broken at the fountain, or the wheel broken at the cistern. Then shall the dust return to the earth as it was : and the spirit shall return unto GOD Who gave it.
Página 51 - But they also have erred through wine, and through strong drink are out of the way : the priest and the prophet have erred through strong drink, they are swallowed up of wine, they are out of the way through strong drink; they err in vision, they stumble in judgment.
Página 427 - That their weight, including engine, fuel, water and attendants, may be under three tons. "4. That they can ascend and descend hills of considerable inclination with facility and safety. "5. That they are perfectly safe for passengers. "6. That they are not (or need not be, if properly constructed) nuisances to the public. "7. That they will become a speedier and cheaper mode of conveyance than carriages drawn by horses.
Página 427 - That at this rate they have conveyed upwards of fourteen passengers. " 3. That their weight, including engine, fuel, water, and attendants, may be under three tons. " 4. That they can ascend and descend hills of considerable inclination with facility and safety. " 5. That they are perfectly safe for passengers. " 6. That they are not (or need not be, if properly constructed) nuisances to the public.
Página 308 - In any right-angled triangle, the square which is described upon the side subtending the right angle, is equal to the squares described upon the sides which contain the right angle.
Página 18 - The same letters refer to the same parts in all the figures. AA is the bed of the lathe ; B, a plate fitted so as only to slide lengthways upon the bed ; C, the base of the rest, which is so fitted to the last plate that it can only slide across the bed. By means of these two pieces the rest- «an he set in any required position "upon the bed, and.
Página 386 - We know now that the underlying principle is the same as in a mercurial barometer : it is the pressure of the atmosphere on the surface of the water in the well that pushes the water up into the pump.
Página 412 - It appears of little importance, therefore, so far as relates to the engine, whether the requisite amount of friction be spread over a broad surface of tire, or be concentrated to a small point ; but as the wheels, by being too narrow, would have a tendency to bury themselves in every soft or newly-made road, and thus raise a perpetual resistance to their own progress, it actually becomes an advantage to adopt that form which is least injurious to the road. The proprietors who have been examined...
Página 423 - ... ground. This framework goes out through the roof, and its sides are closed with clay and a small quantity of straw kneaded together. A space large enough for a door, and another for a window...