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Improvement in Combined Cistern Tops and Filters. (open access)

Improvement in Combined Cistern Tops and Filters.

Patent for improvements to cistern covers, combining a cast iron, charcoal filled filter and specially shaped cast perforated iron lid with handles for removing the cover and for changing the charcoal.
Date: July 9, 1874
Creator: Stacey, Ephraim Douglass
System: The Portal to Texas History
Improvement in Cotton-Stalk Cutters. (open access)

Improvement in Cotton-Stalk Cutters.

Patent for an improvement to cotton-stalk cutters by way of an improved framework.
Date: August 9, 1874
Creator: Johnston, George; Cairns, John & Johnston, Michael K.
System: The Portal to Texas History