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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This ...

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Excerpt from Hand Book on Vacuum Cleaning Plants: A Treatise for the Use of Architects, Drawing Specifications for Cleaning PlantsAll standard makes of motors have the same characteristics, and little is to be said on this point, except that medium speed motors should be used and speeds should be kept under revo lutions per minute in general, and pref erence given to slow speed motors.About the PublisherForgotten Books publishes hundreds of th...

Excerpt from Hand Book on Vacuum Cleaning Plants: A Treatise for the Use of Architects, Drawing Specifications for Cleaning Plants As there are several classes of vacuum cleaning apparatus on the market it is advisable to describe the principles of operation and general construction of the various types and establish a standard rating in order to secure the desired capacity in the plant selected for given conditions and to reduce the required...