fast replacing the latter in furthermore, enables the operator to chemical laboratories and workshops, where an oven is relight his lamp with the same cart- desired which does not corrode when substances are ridge many times. The blotting paper heated in it which give off acid fumes. The original… … in thecut. The gas-generating chamber is unscrewed been released from its keeper. The fork having been and the carblot placed in the carbidereceptacle. After swung over the desired spot, the releasing lever is the generator has been replaced, the needle valve is operated to unfasten the lock, thus…
Internet Archive · Public domain (published before 1931). Free to use for anything.