The Dallas Herald. (Dallas, Tex.), Vol. 2, No. 258, Ed. 1 Tuesday, November 15, 1887 (open access)

The Dallas Herald. (Dallas, Tex.), Vol. 2, No. 258, Ed. 1 Tuesday, November 15, 1887

Daily newspaper from Dallas, Texas that includes local, state and national news along with extensive advertising.
Date: November 15, 1887
Creator: Gilbert, C. E.
Object Type: Newspaper
System: The Portal to Texas History
Filter. (open access)

Filter.

Patent for a new and improved filter. This design "consist[s] of the receptacle having the receiving, settling, and filtering chambers, in the bottom of which filtering chamber are formed transverse wedge-shaped ridges, and at the bottoms of the settling, receiving, and filtering chambers and of the basin are arranged outlet pipes, which receiving, settling, and filtering chambers are separated from one another by walls or partitions of successively varying or lesser heights, and which basin is arranged lower than the filtering chamber, together with a branched supply pipe" (lines 16-27).
Date: November 15, 1887
Creator: Waespi, Jacob; Fretz, Emil; Spellman, John & Frey, John
Object Type: Patent
System: The Portal to Texas History