Proportionate Scale. (open access)

Proportionate Scale.

Patent for improvements in scales which would quickly and accurately determine the proportion of the lint contained in seed-cotton. Illustration is included.
Date: April 8, 1902
Creator: Brown, George Raymond
Object Type: Patent
System: The Portal to Texas History
Tenoning and Pointing Machine. (open access)

Tenoning and Pointing Machine.

Patent for a tenoning and pointing machine for wheel spokes
Date: April 12, 1910
Creator: Miller, Frederick C.
Object Type: Patent
System: The Portal to Texas History
Acetylene-Gas Generator (open access)

Acetylene-Gas Generator

Patent for an acetylene-gas generator. Illustrations included.
Date: April 26, 1910
Creator: Moberley, Oscar R.
Object Type: Patent
System: The Portal to Texas History
An Archaeological Survey of Two Proposed Otis Heirs Pipeline Routes, Matagorda County, Texas (open access)

An Archaeological Survey of Two Proposed Otis Heirs Pipeline Routes, Matagorda County, Texas

An archaeological survey report of two proposed pipeline routes in Matagorda County, Texas, performed to determine whether any historic resources were located on the proposed construction sites.
Date: April 21, 2005
Creator: Todd, Jesse E.
Object Type: Report
System: The Portal to Texas History
Ignition System for Internal-Combustion Engines. (open access)

Ignition System for Internal-Combustion Engines.

Patent for Ignition System for Internal-Combustion Engines. "This invention relates to ignition systems for internal combustion engines and comprehends the provision of a dual ignition system for multiple cylinder engines with which either battery or magneto current may be used and having only two coils, one with a vibrator for the magneto current and one without a vibrator for the battery current." (line - 2)
Date: April 23, 1918
Creator: Richards, Harvey B.
Object Type: Patent
System: The Portal to Texas History
Treatment of Mined Sulfur. (open access)

Treatment of Mined Sulfur.

Patent for a method to improve the free burning properties of mined sulfur by carbonizing the oil and eliminating carbon.
Date: April 19, 1921
Creator: Bacon, Raymond Foss, 1880-1954.
Object Type: Patent
System: The Portal to Texas History
Treatment of Mined Sulfur. (open access)

Treatment of Mined Sulfur.

Patent for heating sulfur under appropriate conditions in order to carbonized oil contained within, allowing stationary sulfur to burn without difficulty or interference from carbon.
Date: April 19, 1921
Creator: Bacon, Raymond Foss, 1880-1954.
Object Type: Patent
System: The Portal to Texas History