Tin Rod. 
Turned from a Bar of Pure Tin supplied by Messrs. Kahlbaum. Density at 21° C. = 7'28. 
4‘50 centims., approx, k = T6, therefore V — '27, x A — ‘37, = 5'41, x c = 5*78, x c , = 5'98 centims. ; s = 1 '83 sq. centims. 
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Duration of experiment, 5 hours 20 minutes. 
* See note on p. 407. 
