Waterfall Blower
See TROMP.
Water-gas is gas produced by passing steam over red-hot coke, which changes it to carbonic oxide and hydrogen, in which state it is made to absorb as much carbon as is necessary, by passing through a retort in which rosin is being subjected to the process of decomposition. See GAS.
Water-glass is usually prepared by boiling silica with caustic alkali under pressure. It is soluble only in boiling water, and has the appearance of glass when pure and solid. See SOLUBLE GLASS.