Tyndall, John, 1820-1893 · New York, D. Appleton · leaf 327
nometer beyond a.21 302 HEAT A MODE OF MOTION. LBCI. XI. You observe that we have now an unbroken metalliccircuit, in which the galvanometer is included. Ac-quainted as you are with the thermo-pile, you doubtlessknow already what the bismuth bars are intended for.The bismuth and the tin in each… … from a to b through the wire connecting the two sheets,thence through the tin to the other junction, thence roundthe galvanometer, and back to the point from which itstarted. The needle moves through a large arc; the redend going towards you. Placing my finger against theoiher junction, a…
Heat
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
