Description:
Patent for a well tube. "This invention relates to well pumps and particularly to a suction attachment for use in conjunction with the strainers of pumps of that character wherein a piston is operatively arranged within an outflow pipe" (line 8-12). Illustration included.
Date:
March 5, 1907
Creator:
Medlock, Augustus Lafayette
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a well pump. "This invention relates to well-pumps of that character wherein a piston is operatively arranged within an outflow-pipe and having an automatically - closed bottom check - valve opened by the suction produced" (line 8-13). Illustration included.
Date:
March 5, 1907
Creator:
Medlock, Augustus L.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a loose-leaf binder for records that does not require removing previously inserted pages to add new ones and secures them in place with a screw lock on the paper holding rings. When the book is full, the whole binder may be locked in place as a form of permanent binding and may only be opened with a key.
Date:
March 19, 1907
Creator:
Parry, Rees F.
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a mail bag fastener which automatically locks when closed and can only be opened with a key.It also holds the mail bag open when letters are being withdrawn.
Date:
July 16, 1907
Creator:
Barr, George Taylor
Partner:
UNT Libraries Government Documents Department
Description:
Patent for a jack for lifting heavy loads on railroads, which has an automatic steady movement of the load up and down without adjusting the jack settings.
Date:
August 6, 1907
Creator:
Blake, David Alexander & Blake, Charles William
Partner:
UNT Libraries Government Documents Department
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