f criminals are left the greater part of their time An apparatus designed to convey heated air from the in idleness, if a walk for exercise cannot also be de- was first attached, and its readings were compared with locomotive to the several passenger cars of a train is those of a mercurial… … tween it and the mercurial barometer petition, properly distributed, can do WOOD'S APPARATUS FOR HEATING RAILWAY CARS. no harm. It is true that, under the old was not lessened by this correction. Marshal Wood, of Alderson, West Va. Air tubes, hav- Practically both instruments read alike, without…
Gas · Contained · Munn · Scientific American · Apparatus · Hot air · Gas engine · Electric light · American supplement · Ratchet wheel · Specific gravity · Express money · Natural gas · Divining rod
Internet Archive · Public domain (published before 1931). Free to use for anything.
