Please see the Transcriber’s Notes at the end of this text.


Cover image


Vacuum Cleaning Systems

A Treatise on the Principles and
Practice of Mechanical Cleaning

BY

M. S. COOLEY, M. E.

Mechanical Engineer in Office of the Supervising
Architect, Treasury Department, Washington, D. C.

FIRST EDITION

New York:
Heating and Ventilating Magazine Company,
1123 Broadway



[iii]

CONTENTS.

CHAPTER I.
History of Mechanical Cleaning.
PAGE
Early Attempts3
Limitations of the Carpet Sweeper4
Compressed Air Cleaners5
Vacuum Produced by Compressed Air7
Compressed Air Supplemented by Vacuum7
Piston Pump the First Satisfactory Vacuum Producer9
Systems Using Vacuum Only11
Renovator with Inrush Slot13
Steam Aspirators Used as Vacuum Producers14
Piston Pump Used Without Separators15
First Portable Vacuum Cleaner15
First Use of Stationary Multi-Stage Turbine Blowers16
Separators Emptying to Sewer by Air Pressure18
Machines Using Root Blowers as Vacuum Producers...

BU KİTABI OKUMAK İÇİN ÜYE OLUN VEYA GİRİŞ YAPIN!


Sitemize Üyelik ÜCRETSİZDİR!