Oxy-Acetylene Welding and Cutting Including the Operation and Care of Acetylene Generating Plants and the Oxygen Process for Removal of Carbon. E-book. Formato PDF Calvin F. Swingle   -  Forgotten Books, 2017  - 

The Ozzy-acetylene ?ame is now used to advantage in welding practically all metals, as steel, cast iron, malleable iron, brass, bronze, copper, aluminum, sheet iron and silver. Its success has been proved beyond a doubt. Engine and machine parts of any metal, automobile castings and the like are as strong as any part of like dimensions when welded.

Steam Turbine Engines, Their Construction, Care and Operation Full Instructions Regarding Correct Methods of Operating Steam Turbines, Adjusting Clearances, Etc. E-book. Formato PDF Calvin F. Swingle   -  Forgotten Books, 2017  - 

Although the turbine principle of utilizing the heat energy in steam and converting it into useful work has been. Experimented upon for many years, it is only since the inauguration of the twentieth century that steam tur bines have been brought to the front. As efficient power producers. The piston of the reciprocating engine is driven back and forth by the static expansive force of the steam, while in the steam turbine not only the expansive force is made to do work, but a still more important element is utilized, viz., the kinetic energy, or heat energy latent in the steam, and which manifests itself in the rapid vibratory motion of the particles of steam expanding from a high, to a low pressure, and this motion the steam turbine transforms into work.

The Date Palm: And Its Utilization in the Southwestern States. E-book. Formato PDF Walter T. Swingle   -  Forgotten Books, 2017  - 

The date palm has the unusual power of resisting large amounts of alkali, the most dangerous foe to agriculture in the arid regions, both in the soil and in the irrigating water. This will permit it to be grown profitably on lands so salty as to prevent the culture of any other pay ing crop, and thereby render feasible the reclamation of hundreds of square miles of the most fertile lands in the Southwest which, at great expense, have been put under irrigation.