Gill's technological [afterw.] Gill's scientific, technological & microscopic repository; or, Discoveries and improvements in the useful arts, a continuation of his Technical repository, by T. Gill, Volumen6 |
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Página 8
... steel in perfection . In fact , at this present time , the Swiss workmen possess superior methods of treating iron and steel , known only to themselves ; and we daily see instances of their great skill , in the construc- tion of their ...
... steel in perfection . In fact , at this present time , the Swiss workmen possess superior methods of treating iron and steel , known only to themselves ; and we daily see instances of their great skill , in the construc- tion of their ...
Página 9
... steel elastic plated spurs , things then unheard of , the plated spurs usually made being clumsy heavy things , too stiff to bend ; whereas his were light and pleasant to wear ; and the test of their goodness was their branches being ...
... steel elastic plated spurs , things then unheard of , the plated spurs usually made being clumsy heavy things , too stiff to bend ; whereas his were light and pleasant to wear ; and the test of their goodness was their branches being ...
Página 10
... steel articles ; in particular , he had made numerous steel ribs , intended to stretch the feathers forming the wings and tail of an artificial bird , made large enough to contain a man within its body , and who , by means of proper ...
... steel articles ; in particular , he had made numerous steel ribs , intended to stretch the feathers forming the wings and tail of an artificial bird , made large enough to contain a man within its body , and who , by means of proper ...
Página 11
... steel , in the manu- facturing of the above - mentioned steel ribs , some of the largest of which were upwards of nine feet in length , and yet weighed not more than nine ounces each ! These ribs were made square , and tapered away ...
... steel , in the manu- facturing of the above - mentioned steel ribs , some of the largest of which were upwards of nine feet in length , and yet weighed not more than nine ounces each ! These ribs were made square , and tapered away ...
Página 12
... steel was deemed useful , and this before Mr. Boulton had united in partnership with Mr. Watt ; and even after that event , he was con- stantly in the habit of furnishing the cast - steel , which was formed into springs by their workmen ...
... steel was deemed useful , and this before Mr. Boulton had united in partnership with Mr. Watt ; and even after that event , he was con- stantly in the habit of furnishing the cast - steel , which was formed into springs by their workmen ...
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Pasajes populares
Página 268 - I have seen a small manufactory of this kind where ten men only were employed, and where some of them consequently performed two or three distinct operations. But though they were very poor, and therefore but indifferently accommodated with the necessary machinery, they could, when they exerted themselves, make among them about twelve pounds of pins in a day.
Página 75 - These are thy glorious works, Parent of good, Almighty, thine this universal frame, Thus wondrous fair; thyself how wondrous then ! Unspeakable, who sitt'st above these heavens, To us invisible, or dimly seen In these thy lowest works; yet these declare Thy goodness beyond thought, and power divine.
Página 269 - But if they had all wrought separately and independently and without any of them having been educated to this peculiar business, they certainly could not each of them have made twenty, perhaps not one pin in a day...
Página 268 - One man draws out the wire; another straights it; a third cuts it; a fourth points it; a fifth grinds it at the top for receiving the head...
Página 272 - Every workman has a great quantity of his own work to dispose of beyond what he himself has occasion for ; and every other workman being exactly in the same situation, he is enabled to exchange a great quantity of his own goods for a great quantity, or, what 'comes to the same thing, for the price of a great quantity of theirs. He supplies them abundantly with what they have occasion for, and they accommodate him as amply with what he has occasion for, and a general plenty diffuses itself through...
Página 273 - ... is requisite in order to form that very simple machine, the shears with which the shepherd clips the wool. The miner, the builder of the furnace for smelting the ore, the...
Página 273 - The shepherd, the sorter of the wool, the wool-comber or carder, the dyer, the scribbler, the spinner, the weaver, the fuller, the dresser, with many others, must all join their different arts in order to complete even this homely production.
Página 266 - But this proportion must in every nation be regulated by two different circumstances : first, by the skill, dexterity, and judgment with which its labour is generally applied ; and, secondly, by the proportion between the number of those who are employed in useful labour, and that of those who are not so employed.
Página 269 - The great increase in the quantity of work, which, in consequence of the division of labour, the same number of people are capable of performing, is owing to three different circumstances: first, to the increase of dexterity in every particular workman; secondly, to the saving of time, which is commonly lost in passing from one species of work to another; and, lastly, to the invention of a great number of machines which facilitate and abridge labour, and enable one man to do the work of many.
Página 270 - A man commonly saunters a little in turning his hand from one sort of employment to another. When he first begins the new work, he is seldom very keen and hearty; his mind, as they say, does not go to it, and for some time he rather trifles than applies to good purpose.