path of the annur resemble snow. Such a hailstone has, therefore, lar eclipse, in which is situated the point O corre- a snowy nucleus without any inclosed air, and on sponding to the position shown in Pig. 3. The being melted under water will, of course, show no dotted line incloses the land area… … the temperature of evaporation or the average wet- of nine feet (=108 inches) from the observer, sub- PATH OF THE ANNUL&B ECLIPSE. bulb temperature prevailing in the lower thousand tends an angle which is equal to that subtended feet of air through which the hail, has rapidly fallen, by the-sun on…
Machine · Air · Buy · Engine · Tie plate · Scientific American · Pattern plates · Gas engine · American supplement · Position finders · Chain track · Philo system · Spray cap · Washing machine
Internet Archive · Public domain (published before 1931). Free to use for anything.
