Month

Dynamo Electric Machine (open access)

Dynamo Electric Machine

Patent for Dynamo Electric Machine. "in our improved dynamo-electric machine we combine in the armature the advantages due to iron wire and to separated disks or flat rings, and then binding them together at equal intervals." (lines18-23)
Date: April 3, 1888
Creator: Crowdus, Walter A. & Sutton, Henry M.
System: The Portal to Texas History
Vehicle Top. (open access)

Vehicle Top.

Patent for a new and improved vehicle top. This design consists in "the combination of the supporting-bows having grooves in their side, the upper ends of the grooves overlapping the curtain-supporting frames, comprising the flexible side-bars provided with lateral tongues fitting in the grooves of the supporting-bows, and the cross-bars secured to the side bars and having their ends fitted in said grooves, and the covering secured to said frame" (lines 82-91).
Date: April 24, 1888
Creator: McCurdy, Thomas B.
System: The Portal to Texas History