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
Soda-Tank for Dipping Lumber (open access)

Soda-Tank for Dipping Lumber

Patent for an apparatus which contains a tank of soda in which yellow pine lumber is dipped to prevent blue stain. Illustrations included.
Date: December 12, 1911
Creator: Trout, Walter Charles & Trout, William Henry
Object Type: Patent
System: The Portal to Texas History
Gas Producer (open access)

Gas Producer

Patent for a gas producer from a continuous stream of combustibles with air.
Date: June 17, 1913
Creator: Hirt, Jules H.
Object Type: Patent
System: The Portal to Texas History