City Smoke Ordinances and Smoke Abatement (open access)

City Smoke Ordinances and Smoke Abatement

From Introduction: "In connection with the fuel investigations conducted by the Bureau of Mines much information has been accumulated as to the smoke abatement activities in various cities. The essential features of the information are presented in this report, which, it is believed, will be of public interest and benefit, especially to those communities that are just beginning organized effort to abate unnecessary smoke."
Date: 1912
Creator: Flagg, Samuel B.
Object Type: Report
System: The UNT Digital Library
Purification of Gases. (open access)

Purification of Gases.

Patent for the purification of gases. The object purifies gases by transporting them through an electric discharge to convert sulfur into other forms of gas.
Date: December 8, 1914
Creator: Hall, Elmon L.
Object Type: Patent
System: The Portal to Texas History