PRIME a.
uids; and electricity, obtained by chemical action, and applied to produce alternation of magnetic force. (b) An engine, or machine, the object of which is to receive and modify force and motion as supplied by some natural source, and apply them to drive other machines; as a water wheel, a water- pressure engine, a ste…
RESIDUAL a.
figure which remains after a less figure has been taken from a greater one. -- Residual magnetism (Physics), remanent magnetism. See under Remanent. -- Residual product, a by product, as cotton waste from a cotton mill, coke and coal tar from gas works, etc. -- Residual quantity (Alg.), a binomial quantity the two…
SCALE n.
The thin oxide which forms on the surface of iron forgings. It consists esentially of the magnetic oxide, Fe3O4. Also, a similar coating upon other metals. Covering scale (Zoöl.), a hydrophyllium. -- Ganoid scale (Zoöl.) See under Ganoid. -- Scale armor (Mil.), armor made of small metallic scales overlapping, and fas…