Experimental engineering and manual for testing (1903)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & sons; [etc., etc.] · leaf 96
Fig. •BuzBY Hair-line Extensometer. Fig. 48a.—The RiehlI: Extensometer. instrument the di.sk is made of aluminium, with open spokes,to reduce its weight. To operate this instrument it is only necessary to clampit to the specimen, to adjust the mirror and cross-hair, andthen to revolve the disk by…
Building materials · Machinery
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