Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 314
e scale the zero of which can be set to correspond tothe lower water-surface, is shown in Fig. 122 as designed byJ. M. Allen of the Hartford Boiler Insurance Co. As the draught is often a small fraction of an inch, it issometimes of importance to be able to read smaller variationsin height than… … Fig. 122.—Allens Draught-gauge. difference of level, or by using liquids of different densities, asexplained in Article 269, page 319. 274. Draught-gauges in which Surface in Measuring-tube moves farther than that due to Difference in Press-ures.—Pecl^fs Draught-gauge.—A simple draught-gauge,…
Building materials · Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.