02369cam a22003133u 450000100060000000300070000600500170001300600020003000700050003200800410003701000130007804000110009104100170010205000070011910000500012624500280017626400510020430000470025533600260030233700260032833800360035450000310039050801840042152012400060553400880184565300200193385600590195385600430201270409UtSlPG20260610134628.0mcr n260607r20231913utu|||||o|||||||||||||| d  a14000970  aUtSlPG 7aen2iso639-1 4aTH1 aCooley, M. S.q(Maxwell Stephens),d1874-194910aVacuum cleaning systems 1aSalt Lake City, UT :bProject Gutenberg,c2023  a1 online resource :bmultiple file formats  atextbtxt2rdacontent  acomputerbc2rdamedia  aonline resourcebcr2rdacarrier  aRelease date is 2023-03-29  adeaurider, Harry Lamé and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)  a"Vacuum Cleaning Systems: A Treatise on the Principles and Practice of Mechanical Cleaning" by M. S. Cooley is a scientific publication written in the early 20th century. The book primarily focuses on the development, specifications, and testing of various vacuum cleaning systems used for mechanical cleaning in buildings, particularly in the context of improving indoor hygiene. It delves into the historical evolution of vacuum cleaning technology and examines both the engineering principles and practical applications of vacuum systems.  At the start of the treatise, Cooley outlines the origins of mechanical cleaning devices, discussing early attempts at creating efficient cleaning machines and the limitations of those designs, particularly carpet sweepers and compressed air cleaners. He introduces key innovations in vacuum technology, including the first satisfactory vacuum producers and the advent of portable vacuum cleaners. The opening sets the stage for a detailed analysis of various types of vacuum systems, focusing on their efficiency, effectiveness, and adaptability for different cleaning tasks, as well as the engineering challenges that accompany their operation. (This is an automatically generated summary.)  pOriginally published:cUnited States: Heatin and Ventilation Magazine Company, 1913  aVacuum cleaning4 uhttps://archive.org/details/vacuumcleaningsy00coolrich40uhttps://www.gutenberg.org/ebooks/70409