256 On the Transverse Strain, 
The next piece was of Baltic Fir; it was 
one inch deep, half inch broad, and two feet 
three inches between the supports. 
THE RESULTS WERE 
Weights} Deflections | When Weights{ Arithmetical 
in jin paris ofjtaken off re-|Prog. common] Variations. 
Pounds. _an Inch. turned to. diff. three. os 
16 | .05 0 5 0 
30 | .08 0 8 0 
45 | 12 0 il 7 | 
60 | .14 0 14 0 
75 | 1.17 0 17 0 
90 20 0 20 0 
105 | .235 0 23 oe 
120 26 0 26 0 
135 28 4 29 aut 
150 30 Js 32 38 
165 35 02 35 0 
180 38 04 38 0 
195 | .40 07 Al +1 
210 44 07 44 0 
295 | .46 : 47 = 
240 | .48 ot 50 ae 
255 | .50 ‘ 53 pa 
270 3 about .13 56 —3 
