3 Matching Results

Search Results

Advanced search parameters have been applied.

in place name: "United States - Washington D.C."

[News Script: Washington and Vernon update]

Photocopy of a script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story.

Date: March 31, 1971, 6:30 a.m.

Creator: WBAP-TV (Television station : Fort Worth, Tex.)

Item Type: Script

Partner: UNT Libraries Special Collections

Pump

Patent for an improvement to lift pumps for deep oil and artesian wells. The improvement is intended to overcome the difficulty of excessive pressure caused by the liquid rising to the surface that makes foot valve inoperable. The design also makes the pump easier to construct as well as stronger and more durable.

Date: February 15, 1916

Creator: Haar, G. E.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Rotary Reciprocating Engine.

Patent for a rotary reciprocating engine that is smaller, has more horse-power, and has less friction than previous models.

Date: May 8, 1900

Creator: Williams, Win D.