tube clamp

A grab. [GRAB (1), 8., 2.] tube-cleaner, s. [FLUE-CLEANER.] tube-clip, s. A kind of tongs used for holding test or other heated tubes in chemical manipula verb.) C. As substantive: I. Ordinary Language: 1. The act of setting or placing in a tub or tubs; the act of bathing or washing in a bath; a sponge bath. 2. The act or art of making tubs; material for tubs. 3. The act of practicing in a tub. [TUB, s ., I. 7.] "A good deal of tubbing has been got through in the mornings."- Field , March 5, 1887. II. Mining : Lining a shaft with casks or cylindrical cai ons, to avoid the caving in of the ground. Especially used in shafting through quicksand or porous strata in which there are many springs.