1904-5.] Apparatus for Measuring Lateral Strains. 
457 
These results correspond with those obtained by Bauschinger,* 
Stromeyer,f Morrow 1 and others. 
It should be noted, in conclusion, that the specimens of material 
for the tension and compression specimens were not identical, 
hut they were taken from the same consignments. 
* Der Civilingenieur , vol. xxv. , 1879. 
f “Experimental Determination of Poisson’s Ratio,” Proc. R.S., 1894. 
J ‘ ‘ On an Instrument for Measuring the Lateral Contraction of the Bars, 
and on the Determination of Poisson’s Ratio,” Phil. Mag., 1903. 
{Issued separately March 3, 1905.) 
