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Well Mechanism.

Description: Patent for a well mechanism with an overhung vertical drive pulley which functions as a bearing and oil reservoir for improved lubrication of the bearings; also, improved pump construction and shaft support.
Date: July 18, 1911
Creator: Layne, Mahlon E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Water-Cooling Device.

Description: Patent for a water cooling device in refrigerators and iceboxes that provides drinking water from the ice compartment.
Date: July 18, 1911
Creator: Boyer, Robert Y. & Caldwell, James P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Tank.

Description: Patent for an oil tank that is fire proof and will not explode completely if it is struck by lightning.
Date: July 18, 1911
Creator: Price, James Bain
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Piano-Key Mounting.

Description: Patent for a piano key mounting with a key pin that makes the "touch" required to depress the keys easily adjustable.
Date: July 18, 1911
Creator: Mayor, Enoch Allen
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Elevator

Description: Patent for an elevator which locks itself should the hoisting cable break. Illustrations included.
Date: April 18, 1911
Creator: Ballard, Silas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Door-Check.

Description: Patent for a door check that holds the door at any point when it is swinging closed.
Date: July 18, 1911
Creator: Martin, Joseph M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Headlight-Shade.

Description: Patent for a headlight shade which can be pulled down to block the high beam headlights of a train or car when there is an oncoming train or car.
Date: July 18, 1911
Creator: Green, John R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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