to 5 cents more per pound than when paper at the focus of the mirror our sensitive flame, and the which my watch is ticking. in the common tub or firkin. Similarly good return oyster conditions are the same us in the previous experiment, sound Fig. 4. pails, that hold from 5 to 25 gallons, are… … SECTION AT € light as before (Fig. 6). FLAME JUMPING Sound is reflected in precisely the same way, and the sen. sitive flame, when csrefully manipulated, can be used as a means of proving this fact. For these experiments it is es- sentially necessary that the flame be reduced tothe proper pitch of…
Internet Archive · Public domain (published before 1931). Free to use for anything.
