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" One of those boys, who loved to play with his companions, observed that, by tying a string from the handle of the valve which opened this communication, to another part of the machine, the valve would open and shut without his assistance, and leave him... "
The Elements of Political Economy - Сторінка 54
автори: Francis Wayland - 1878 - 403 стор.
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The Prosaic Garland: Consisting of Upwards of Two-hundred Pieces Selected ...

John Evans - 1807 - 318 стор.
...observed, that by tying a string, from tbe handle of the valve which opened this communication, to another part of the machine, the valve would open and shut without hit assistance, and leave him at liberty to divert himself with his play, fellows. One of the greatest...
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An Inquiry Into the Nature and Causes of the Wealth of Nations, Том 1

Adam Smith - 1809 - 372 стор.
...companions, observed that, by tying a string from the handle of the valve which opened this communication to another part of the machine, the valve would open...without his assistance, and leave him at liberty to divert himself with his play-fellows. One of the greatest improvements that has been made upon this...
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The Circulator of useful knowledge, amusement, literature, science and ...

1825 - 424 стор.
...companions, observed that, by tying a string from the handle of the valve which opened this communication to another part of the machine, the valve would open...without his assistance, and leave him at liberty to divert himself. A most important improvement in the steam-engine was, in this manner, the discovery...
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Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers ..., Том 1

Perry Fairfax Nursey - 1825 - 508 стор.
...observed, that by tying a string from the handle of the valve -which opened this communication, to another part of the machine, the valve would open and shut without bis assistance, and leave him at liberty to divert himself with his play-fellows. One of the greatest...
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Gill's technological [afterw.] Gill's scientific, technological ..., Том 6

Gill's scientific, technological and microscopic repository - 1830 - 420 стор.
...companions, observed that, by tying a string from the handle of the valve which opened the communication, to another part of the machine, the valve would open...without his assistance, and leave him at liberty to divert himself with his play-fellows. One of the greatest improvements that has been made upon this...
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The Polar star, being a continuation of 'The Extractor', of ..., Том 6

1831 - 444 стор.
...companions, observed that by tying a string from the handle of the valve which opeiifd this communication to another part of the machine, the valve would open...without his assistance, and leave him at liberty to divert himself with his play-fellows. — Hiuilli's Wealth of Nittions. Mmlame de Starl'e turril a»...
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An Inquiry Into the Nature and Causes of the Wealth of Nations

Adam Smith - 1838 - 476 стор.
...tying a string from the handle of the valve which opened this communication to another part of ihe machine, the valve would open and shut without his assistance, and leave him at liberty to divert himself with his play-fellows. One of UK' greatest improvements that has been made upon this...
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The Christian Commonwealth. To which is Added an Inquiry Respecting Private ...

John Minter Morgan - 1850 - 172 стор.
...companions, observed, that, by tying a string from the handle of the valve which opened the communication to another part of the machine, the valve would open...without his assistance, and leave him at liberty to divert himself with his play-fellows. One of the greatest improvements that has been made upon this...
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The Principles of Political Economy Applied to the Condition, the Resources ...

Francis Bowen - 1856 - 590 стор.
...companions, observed that, by tying a string from the handle of the valve which opened the communication to another part of the machine, the valve would open...without his assistance, and leave him at liberty." Thus one of the most important steps in the improvement of steam-engines was made by an idle boy. 4....
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The elements of political economy. With revisions and additions

Francis Wayland - 1857 - 292 стор.
...an adjustment, by which it may be performed. Adam Smith informs us that, in the first steam-engines, boys were constantly employed to open a communication...improvements of this machine was thus, by division of labour, brought within the capacity of a playful boy. It would have been very difficult to invent machinery...
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