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Excerpt from Manual of Instruction in Hard Soldering Any clear flame may be used for hard soldering with a blowpipe. That of illuminating gas is to be preferred if obtainable. Away from cities where gas is common, the alcohol lamp is most used. Several kinds Of lamps are now sold that are adapted to the wants of the trade, but if these are not at hand a tinner can soon make one. It should hold at least 4 oz. Of alcohol, and have a wick tube attached near the bottom not much less than one-half inch in diameter. The top of the wick tube should be cut off obliquely, the left side, as it sits facing you, being the lowest. The wick, when saturated, should be so tight that. Although it may be moved up or down in the tube, it will remain in any position. The wick tube must have a cap fitting snugly, to cover the end of the wick when not in use. The size Of the lamp should correspond with the Size of the work and amount of heat required. Blast lamps, furnaces and hearths are now sold, a description of which I leave to the manufacturers. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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