FRICTION n.
, as in testing lubricants. -- Friction powder, Friction composition, a composition of chlorate of potassium, antimony, sulphide, etc, which readily ignites by friction. -- Friction primer, Friction tube, a tube used for firing cannon by means of the friction of a roughened wire in the friction powder or composition…
GREEN a.
h.), a composition which burns with a green flame. It consists of sulphur and potassium chlorate, with some salt of barium (usually the nitrate), to which the color of the flame is due. -- Green fly (Zoöl.), any green species of plant lice or aphids, esp. those that infest greenhouse plants. -- Green gage, (Bot.) See…
MATCH n.
a substance which can be easily ignited by friction, as a preparation of phosphorus or chlorate of potassium. Match box, a box for holding matches. -- Match tub, a tub with a perforated cover for holding slow matches for firing cannon, esp. on board ship. The tub contains a little water in the bottom, for extinguishi…