Steam engines, a thorough and practical presentation of modern steam engine practice (1920)
Ludy, Llewellyn V., 1875-, American Technical Society · Chicago, American technical society · leaf 184
withwater before opening the feed valve. The amount of oil fed tothe cylinder can be regulated by opening the valve D the properamount. The exact quantity of oil necessary for the engine is noteasily determined. For ordinary sizes it is from one to four dropsper minute, depending on the conditions.… … Fig. 99. Section of Sight-Feed Lubricator 168 STEAM ENGINES engines run so fast that it is impossible to examine the variousparts, and special means must be provided for lubrication. It isespecially important in high speed engines that there be no heating. In order to avoid the danger of neglecting…
Steam-engines
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