1880.] Strained Material, Ley den Jars, and Voltameters. 425 



Recovery of the Glass Beam after being loaded for 145' 55 hours with 



400 grms. 



Time (1 = 1*25 hours) 



reckoned, from 



Observed value of to. 





w — tl\ — w. 2 



removal of load. 







load on . 



6475-0 







load off . 









0-005 



600 







0-4 



411-3 



177-0 



. . . 154-4 



14 



340-8 



109-4 



19-9 



2-4 



300-6 



71-9 



6-5 



3-4 



275-6 



49-9 



1*9 



4-4 



278-5 



35*6 



0-5 



5-4 



246-3 



26-1 



04 



6-4 



2371 



19*7 



0-9 



8-0 



224-6 



11-4 



0*0 



10-0 



214-2 



6-2 



o-i 



12-0 



206-9 



3-9 



0*6 



14-0 



200-6 



2-5 



0-8 



16 



195-0 



1-7 



0'8 



18 



189-8 



1-2 



0-7 



20 



184-5 



0-4 



0-1 



30 



162-8 



-0-2 



. . . —0-2 



40 



145-3 



0-8 



0-8 



50 



131-0 



2-8 



2-8 



60 



116 3 



2-4 . . 



2-4 



70 



103-2 



1-9 



1-9 



80 



91-5 



0-2 



0-2 



90 



81-2 



0-6 



0*6 



100 



723 



0-2 



0-2 



110 



64-7 



01 



o-i 



120 



58-0 



o-o 



o-o 



130 



525 



0*2 



0*2 



140 



47-7 



0-5 



0-5 



150 



43-3 



0-5 



0-5 



160 



393 



0-4 



0-4 



170 



35-8 



0-4 



0*4 



180 



32-7 



0-3 



0-3 



190 



29*8 



o-o .. 



o-o 



200 



27-3 



-o-i 



.. -01 



210 



25-1 



-0-3 



.. -0-3 



220 



232 



-0-4 



. . —0-4 



230 



21-6 



-0-4 



.. -0-4 



240 



20-0 



-0-4 



-0-4 



