389. 3d. Step. From the warmer attached Thermometer, subtract the colder, thus:
| 61°, .8 |
| 57, .2 |
| ——— |
| 4, .6 |
390. 4th. Step. Give the colder Barometer the same Expansion, viz. 4°, .6 with the warmer, by the first Table.
CHAPTER LXXVI.
PRACTICE OF THE FIRST TABLE IN THE SECOND EXAMPLE.
4th Step applied in the 2d Example.
4th Step applied.
Section 391.THE Order to be observed in finding the Expansion with 4°.6, i. e. with 4 Degrees, .6 Tenths of Heat, on 24.178, i. e. 24 Inches, .178 Tenths of the coldest Barometer.
Find the Expansion required, thus: