LOCAL a.
(Magnetism), an attraction near a compass, causing its needle to deviate from its proper direction, especially on shipboard. -- Local battery (Teleg.), the battery which actuates the recording instruments of a telegraphic station, as distinguished from the battery furnishing a current for the line. -- Local circuit…
LOG n.
sisting of two parts shutting together like a book, with columns in which are entered the direction of the wind, course of the ship, etc., during each hour of the day and night. These entries are transferred to the log book. A folding slate is now used instead. -- Log book, or Logbook (Naut.), a book in which is enter…
MANGLE n.
ternately from one side of the rack to the other, and thus gives motion to it in opposite directions, according to the side in which its teeth are engaged. -- Mangle wheel, a wheel in which the teeth, or pins, on its face, are interrupted on one side, and the pinion, working in them, passes from inside to outside of t…