CHAMBER n.
A short piece of ornance or cannon, which stood on its breech, without any carriage, formerly used chiefly for rejoicings and theatrical cannonades. Air chamber. See Air chamber, in the Vocabulary. -- Chamber of commerce, a board or association to protect the interests of commerce, chosen from among the merchants and…
CHANGE n.
between forty-five and fifty years of age. -- Change ringing, the continual production, without repetition, of changes on bells, See def. 9. above. -- Change wheel (Mech.), one of a set of wheels of different sizes and number of teeth, that may be changed or substituted one for another in machinery, to produce a dif…