Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 902
ece of brass rod that is the same diameter as a half-inch steam pipe, leaving a small hole in one end, say Jg inch diameter. Theinside end of the small hole should be tapered with the end of a drill so asnot to cause eddies; and the thermometer well, which is a small piece ofbrass pipe, plugged at… … Fig. 6. For more accurate work the instruments designed by George H. Barrus,M.E., and Prof. R. C. Carpenter, are to be preferred. Professor Carpentersinstrument is shown in the following cut, and differs from the primitiveinstrument previously described only by the addition of the manometer, 890…
Electrical engineering
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