Soft Soldering, Hard Soldering and Brazing: A Practical Treatise on Tools, Material and Operations; for the Use of Metal Workers, Plumbers, Tinners, Mechanics and Manufacturers

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D. Van Nostrand Company, 1919 - Brazing - 190 pages

Soft Soldering: Hard Soldering and Brazing: A Practical Treatise on Tools, Material and Operations: For the Use of Metal Workers, Plumbers, Tinners, Mechanics and Manufacturers by James Francis Hobart, first published in 1912, is a rare manuscript, the original residing in one of the great libraries of the world. This book is a reproduction of that original, which has been scanned and cleaned by state-of-the-art publishing tools for better readability and enhanced appreciation.

Restoration Editors' mission is to bring long out of print manuscripts back to life. Some smudges, annotations or unclear text may still exist, due to permanent damage to the original work. We believe the literary significance of the text justifies offering this reproduction, allowing a new generation to appreciate it.


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Page 36 - Two metal surfaces may be joined together with almost any alloy of lead and tin, or with either metal alone, but there is a certain proportion of each metal which makes an alloy best fitted for certain kinds of work. The table of...
Page 38 - The author of the table further states that solders from No. 4 to No. 8 are used with tallow as a flux, and that No. 8 may be used with a mixture of resin and sweet oil when soldering lead and tin pipes.
Page 43 - The fluxes most commonly used are borax, a mixture of cream of tartar, also crude tartar, salammoniac, saltpeter and common salt. Charcoal may be added to the list, also resin and certain heavy oils.
Page v - Therefore the author has dwelt with considerable fullness upon the many phases of soldering and brazing, giving the results of experience and observation acquired through long practice and experiment in these channels.
Page 36 - Generally speaking, and for the guidance of inexperienced tinners, it may be stated that the softer the metal to be soldered, the stronger will be the joint after the work has been completed.
Page 4 - ... Soldering iron heater made* from a bowl fire element Autogenous Soldering. — This is known to the trade as " lead burning." In this the edges of the metals to be joined are actually melted. The lead lining of chemical and acid tanks and special lead pipes for chemical works are examples. The edges are united by means of a strip of similar metal which is used as a solder and is melted into and with the metals to be joined. The reason for autogenously soldering of chemical acid tanks, etc., is...
Page 144 - No. 2 is used on bench and open work where a very light wire tip is wanted. It is especially adapted for the telephone or linemen's tool kit.
Page 5 - ... in. Being continually subjected to heat and pressure seems to change the character of an alloy made to melt at any required temperature after it has been used in steam boilers for some considerable time, so that the melting point continually grows higher and they will not melt at the temperature of steam.
Page 136 - Soldering solutions contain more or less corrosive substances and as corrosion is more active when metals are...
Page 146 - The term brazing, as generally understood, means joining together of two pieces of iron, steel, or other metal by means of a film of soft brass.

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