Measuring Stretches in Steel Stirrups in a Concrete Beam | University of Illinois Archives
Measuring Stretches in Steel Stirrups in a Concrete Beam
Sepia-toned photograph showing an unidentified man using a strain gauge to measure small stretches in Reinforcing Steel Stirrups in a Concrete beam. The caption indicates that the gauge could detect changes in length of one ten-thousandths of an inch.
Found in RS 11/1/10, Vol. 4
Image measures 11.2 x 13.1 cm
University of Illinois Archives
11/1/10 Photograph Album, 1915-17
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