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[Postcard of Washington Park in Chicago]
Postcard of four boats paddled by men dressed in white shirts under a wooden bridge. The scene is described as "Showing Rustic Bridge in one of the city's most beautiful parks. Located on the South Side and containing 371 acres." The letter is illegible. The postcard is addressed to "Miss Mamie McFaddin 1141 Third Ave. Huntington, West Va."
Date:
August 16, 1908
Creator:
unknown
Object Type:
Postcard
System:
The Portal to Texas History
Oil Burner
Patent for a oil burner. "This invention relates to improvements in that class of burners used for burning hydrocarbon oils or liquid fuel, and while it is more especially intended to be used for heating steam generators or boiler" (8-12) illustrations included.
Date:
June 16, 1903
Creator:
Wafer, William H.
Object Type:
Patent
System:
The Portal to Texas History
Electromagnetic Ore-Separator.
Patent for an electromagnetic ore separator, which reduces the risk of any valuable particles falling with the waste mineral material below the magnetic surface.
Date:
February 16, 1909
Creator:
Charlton, Thomas
Object Type:
Patent
System:
The Portal to Texas History