Vacuum cleaning systems : A treatise on the principles and practice of mechanical cleaning

Language

en

Duration

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Credits

deaurider, 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)

Publisher of text edition

Project Gutenberg

Original publisher

United States: Heatin and Ventilation Magazine Company, 1913.

Subjects