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
Preserved Wood and Process of Making Same. (open access)

Preserved Wood and Process of Making Same.

Patent for a method of injecting preservative materials, in a manner that will reduce the cost of the treatment without greatly reducing the preservative action.
Date: March 19, 1912
Creator: Ellis, Carleton
Object Type: Patent
System: The Portal to Texas History
Preserved Wood and Process of Making Same (open access)

Preserved Wood and Process of Making Same

Patent for a process for preserving wood by treating it with various anti-septic chemicals mixed with oil that stops the wood from decaying for a long time.
Date: November 19, 1912
Creator: Ellis, Carleton
Object Type: Patent
System: The Portal to Texas History
Storage Battery. (open access)

Storage Battery.

Illustration of a storage battery for patent.
Date: February 22, 1916
Creator: East, James W.
Object Type: Patent
System: The Portal to Texas History
Finish-Remover. (open access)

Finish-Remover.

Patent for specifications of a finish-remover made with paraffin wax and other materials.
Date: February 22, 1916
Creator: Ellis, Carleton
Object Type: Patent
System: The Portal to Texas History