Boiler Cleaning Compound (open access)

Boiler Cleaning Compound

Patent for a boiler cleaning compound for steam-boilers and furnaces to prevent buildup from hard water.
Date: September 27, 1904
Creator: López, Néstor
System: The Portal to Texas History
Fuel-Oil-Controlling Valve (open access)

Fuel-Oil-Controlling Valve

Patent for a new fuel oil controlling valve for locomotives, with instructions and illustrations.
Date: May 27, 1913
Creator: Sneddon, William
System: The Portal to Texas History
Turn-Table. (open access)

Turn-Table.

Patent for a turn table that is "used for turning locomotives engines end to end; and the object of [the] invention is to provide a simple lever attachment for an ordinary turn-table, by which one man may easily turn the table and its load, and also to arrange the lever mechanism so that it may be easily locked in place when not in use and will not be likely to get out of order" (lines 8-16).
Date: March 27, 1894
Creator: Rohrbach, Gabriel
System: The Portal to Texas History