2 Matching Results

Results open in a new window/tab.

Improvements in Manufacture of Organic Solvents (open access)

Improvements in Manufacture of Organic Solvents

Patent for new improvements to the manufacture of organic solvents. Specifically as it it relates to the treatment of acetone oils with catalysts for the purpose of converting the ketones contained within the acetone oil into alcohol.
Date: December 5, 1914
Creator: Hibbert, Harold
Object Type: Patent
System: The Portal to Texas History
[Letter from Andrew McClintock to Jeane, December 23, 1914] (open access)

[Letter from Andrew McClintock to Jeane, December 23, 1914]

Letter from Dan to Jeane discussing a Christmas greeting from Dan wishing her a jolly time on Christmas day.
Date: December 23, 1914
Creator: McClintock, Andrew H.
Object Type: Letter
System: The Portal to Texas History