Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 101
th bell andbattery at ;;/, ;/, and ;;/, ;/, so that contact of the micrometer-screws is indicated by sound. The construction of the clamp-ing device is fully shown in the plan view, Fig. 55. The principal peculiarity of this extensometer consists in theaddition of four pulleys, C^, C^, C^ and C^,… … Fig. 53. 114 EXPERIMENTAL ENGINEERING. [§S6. drum. It is at once evident that any extension of the speci-men SS will draw in the free end of the cord at twice therate of the extension ; moreover, any slight swinging or rock-ing of the extensometer head will produce compensatingeffects on the length…
Building materials · Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.