Resource Type

Vacuum Electric-Arc Furnace. (open access)

Vacuum Electric-Arc Furnace.

Patent for "an improved electric furnace having means to positively insure the thorough fusion or reduction of the substances placed therein without loss due to combustion or the oxidation of such substances, while at the same time providing an effective distribution of the heat and the prevention of the loss of carbon by combustion" (lines 17-25). Includes instructions and illustrations.
Date: June 1, 1897
Creator: Eldridge, Hilliary; Wright, George Hudson & Clark, Daniel J.
System: The Portal to Texas History
Imposition-Furniture for Printers' Use. (open access)

Imposition-Furniture for Printers' Use.

Patent for improvements in imposition-furniture for printers’ use; in this “improved furniture, the page can be removed with the cord tied around it and set aside for future use and the improved pieces of furniture used around another and different page of type and so on indefinitely. It is made to serve the purpose of an almost endless set of furniture-pieces of that style of furniture border-piece where the groove is formed on the outside of furniture border-pieces and the tying-cord is fitted in said groove and made to serve for tying up both the furniture border-pieces and the page.” (Lines 22-34) Illustration is included.
Date: September 1, 1891
Creator: Clarke, Robert
System: The Portal to Texas History
Crab and Fish Trap. (open access)

Crab and Fish Trap.

Patent for a new and improved seafood trap. This design consists in "a net or trap for crabs or fish, which comprises flat frame-sections hinged together, netting attached to said sections, and a rod or bar extending across said sections and engaging with suitable devices thereon for holding said sections partly extended until the hinged sides strike bottom and thereby release the rod or bar" (lines 83-90).
Date: April 1, 1890
Creator: Franklin, Robert M.
System: The Portal to Texas History