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Books Books 1 - 2 of 2 on As one or the other of the steam-valves must always be open, there can be no dead....
" As one or the other of the steam-valves must always be open, there can be no dead point. The pump is therefore always ready to start when steam is admitted, and is managed by the simple opening and shutting of the throttle-valve. "
Exhibition ... - Page 106
1874
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Science, Volume 13

John Michels (Journalist) - Science - 1889
...like harshness of motion. As one or the other of the steam-valves must always be open, there can be no dead point. The pump is therefore always ready to...and is managed by the simple opening and shutting of the throttle-valve. The operation of the condensing-apparatus is as follows : Steam being admitted...
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Mine Drainage: Being a Complete Practical Treatise on Direct-acting ...

Stephen Michell - Mine drainage - 1899 - 369 pages
...be always open, there can be no dead point. The pump is, therefore, always ready to start when the steam is admitted, and is managed by the simple opening and shutting of the throttle-valve. Special care has been taken to have the parts easily accessible for FIG. 112. —...
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