UNT Libraries Government Documents Department - 8 Matching Results

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Axle-Box Lubricator: Patent for an axle box lubricator for applying oil to the axles of railway cars. Illustrations included.
Churn: Patent for a churn. Illustration included.
Churn-Top.: Patent for a churn top, which prevents the milk from splashing out of the churn while it is in use and keeps out bugs and dirt.
Hydrocarbon Burner: Patent for a hydrocarbon burner. Illustration included.
Improvements in Rail-Lubricators: Patent for "a lubricating apparatus for use on street and other cars for lubricating the track when the car rounds a curve" (lines 8-11) including list of parts and illustrations.
Liner for Steam-Pumps.: Patent for a removable liner for steam pumps.
Playing Cards: Patent for playing cards. Illustration included.
Trap.: Patent for a trap, which has a tilted floor that closes the door when weight is put on it.