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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
Review of State Mine Inspector's Reports as They Relate to Accidents from Falls of Roof (open access)

Review of State Mine Inspector's Reports as They Relate to Accidents from Falls of Roof

Report issued by the U.S. Bureau of Mines over state mine inspection reports from 19 U.S. states. The information in the reports includes details of accidents, locations that specific accidents occurred, and proposed remedies for prevention of future accidents. This report includes tables.
Date: April 1929
Creator: Paul, James Washington
Object Type: Report
System: The UNT Digital Library