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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 Principles of Political Economy Applied to the Condition, the Resources ... - Página 60
por Francis Bowen - 1859 - 546 páginas
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An Inquiry Into the Nature and Causes of the Wealth of Nations, Volumen1

Adam Smith - 1789 - 526 páginas
...with his companions, obferved that, by tying a ftring from the handle of the valve which opened this communication to another part of the machine, the valve would open and fhut without hi* afliftance, and leave him at liberty to divert himfelf with his play-fellows. One...
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The Prosaic Garland: Consisting of Upwards of Two-hundred Pieces Selected ...

John Evans - 1807 - 318 páginas
...with his companions, 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, Volumen1

Adam Smith - 1809 - 372 páginas
...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...shut 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 Works of Adam Smith: The nature and causes of the wealth of nations

Adam Smith - 1812 - 530 páginas
...with his companions, obferved that, by tying a ftring from the handle of the valve which opened this communication to another part of the machine, the valve would open and fhut without his affiftance, and leave him at liberty to divert himfelf with his play-fellows. One...
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The Works of Adam Smith, LL.D. and F.R.S. of London and Edinburgh:: The ...

Adam Smith - 1812 - 520 páginas
...with his companions, obferved that, by tying a ftring from the handle of the valve which opened this communication to another part of the machine, the valve would open and fhut without his affiftance, and leave him at liberty to divert himfelf with his play-fellows. One...
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The Circulator of useful knowledge, amusement, literature, science and ...

1825 - 424 páginas
...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...shut 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 ..., Volumen1

Perry Fairfax Nursey - 1825 - 508 páginas
...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 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 ..., Volumen6

Gill's scientific, technological and microscopic repository - 1830 - 420 páginas
...order to facilitate and quicken their own particular part of the work. In the first steam-engines, a boy was constantly employed to open and shut, alternately,...shut 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 ..., Volumen6

1831 - 444 páginas
...with his companions, observed that by tying a string from the handle of the valve which opeiifd this communication to another part of the machine, the...shut 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...
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History of the middle and working classes

John Wade - 1833 - 674 páginas
..."boiler and cylinder, according as the piston ascend* «d or descended. One of the boys so employed observed, that by tying a string from the handle of...part of the machine, the valve would open and shut of itself, leaving him at liberty to play with his companions. Similar causes have probably originated...
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