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Table I. Series a.
Thermometer Gn, melting point of ice — -j- o°.35 C on the scale.
I normal m.m. of the scale-tube 1 = 0.0002312 cc.
Quantity of mercury in the dilatometer at o° C = 558.400 Gr
Volume » » exposed to the variations of temperature = 41.0712 cc.
Temperature Temperature Position of the Change of Volume for i° C Coefficient of apparent dilatation
observed C. corr. C. mercury index (corr.) in the scale-tube. in millimetres (corr.) of mercury.
of the scale-tube. ß
+ 3-0° + 2°.65 847.18 m.m. - 27.23 = O.OOOI53
4“ 2°.00 + 2°.6s 819-95 »
= 27.03 = 27-33 = O.OOOI52 = O.OOOI53
i°.oo + o\6$ 792.92 *
o °°o5 765-59 » = 26.56 = O.OOOI49
— i°.oo 1 35 739-03 * , 5i-iS = 26.59 = ~ = O.OOOI49
- 3°.o° 3°-35 685.S5 » , 53-82 = 26.91 = — = O.OOOI51
— 5°.oo 5°-35 632-03 » 54.60 = 27,30 = ~ = O.OOOI53
— 7°.oo 7°-35 577-4 3 , 53-87 = 26.93 = — = O.OOOI51
— 9°. 00 9-35 523.S6 » 54-04 = 27.02 = — = O.OOOI52
— 11 °.oo n°-35 469.52 * = 27.4I = O.OOOI54
— 12°.oo — I2°-35 442.11 »
Series b.
Thermometer Gm, melting point of ice = -j-o°.i8 C on the scale.
Position of the Coefficient of
Temperature Temperature apparent dilatation
observed corr. mercury index (corr.) of mercury.
C. C. in the scale-tube. of the scale-tube. fi
o° — o°.i8 750.83 m.m. , , 319-9Ö = 26.64 = = 0.000150
— 12’.OO — I 2°. 18 430.87 » , , 53-29 = 26.64 = —— = 0.000150
— I4.OO 00 Tt- I 377-58 - 54.66 = 27-33 = ~ = O.OOOI53
— l6 .OO — I6’.i8 322.92 >
= 28.39 (?) = O.OOOI59 (?)
— 17 .OO — 17 .18 294-53 »
1 The same scale-tube was employed in all the following experiments.
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