| John Evans - 1807 - 318 pages
...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... | |
| Adam Smith - 1809 - 372 pages
...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... | |
| 1825 - 424 pages
...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... | |
| Perry Fairfax Nursey - 1825 - 508 pages
...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... | |
| Gill's scientific, technological and microscopic repository - 1830 - 420 pages
...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... | |
| 1831 - 444 pages
...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»... | |
| Francis Wayland - 1837 - 502 pages
...boys 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...improvements of this machine was thus, by division of labor, brought within the capacity of a playful boy. It would have been very difficult to invent machinery... | |
| Francis Wayland - 1837 - 524 pages
...that, by tying a string from the handle of the valve which opened this communication to another lwrt of the machine, the valve would open and shut without...improvements of this machine was thus, by division of labor, brought within the capacity of a playful boy. It would have been very difficult to invent machinery... | |
| Francis Wayland - 1838 - 442 pages
...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 labor, brought within the capacity of a playful boy. It would have been very difficult to invent machinery... | |
| Adam Smith - 1838 - 476 pages
...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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