Some of the more viscous crude oils obtained in the United States are employed as lubricants under the name of " natural oils," either without any treatment or after clarification by subsidence and filtration through animal charcoal. [Please select]
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Sperm Oil~ is the best known of all the lubricants and is, for general purposes, one of the most excellent. [Please select]
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Neat's-foot Oil~ is largely used in the arts, being one of the best of lubricants.' [Please select]
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The Special Advantages of Mineral Oils~ as lubricants in horology are: 1. [Please select]
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***END OF THE PROJECT GUTENBERG EBOOK FRICTION, LUBRICATION AND THE LUBRICANTS IN HOROLOGY*** ******* This file should be named 35001-8. [Please select]
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: A treatise on non-metallic materials of engineering: stone, timber, fuel, lubricants, etc. [Please select]
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= "This work is written from the standpoint of the oil trade, but its perusal will be found very useful by users of machinery and all who have to do with lubricants in any way." [Please select]
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