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[Letter from I. H. Kempner to William M. Nathan, December 19, 1945]

Description: Letter from I. H. Kempner to William M. Nathan discussing the minutes of the National Hillel Commission meeting, the new Hillel unit at Wayne University that was funded by the Detroit area lodges, and a proposed committee meeting. He also explains that his head pain has not been fixed but has eased since his appointments in New York.
Date: December 19, 1945
Creator: Kempner, Isaac H. (Isaac Herbert), 1873-1967
Partner: Rosenberg Library

Cross-Tie.

Description: Patent for a railroad cross tie made of concrete and metal, which can be attached without spikes or bolts.
Date: October 24, 1911
Creator: Whaley, Albert L.
Partner: UNT Libraries Government Documents Department

Chopping-Ax.

Description: Patent for an ax that is "provided with a poll made in two sections adapted to be clamped or secured to the handle and receive a removable bit or hardened section presenting the cutting edge" (lines 16-20).
Date: January 5, 1897
Creator: Crabtree, James G.
Partner: UNT Libraries Government Documents Department

Bow Facing Oar

Description: Patent for an oar facing the bow side of the craft. The invention allows for the rower to sit facing the direction of movement of the boat and be able to apply greater amounts of exertion. Illustration included.
Date: October 23, 1906
Creator: Case, William C.
Partner: UNT Libraries Government Documents Department

Convertible Trunk.

Description: Patent for a trunk that converts between luggage (for use while traveling) and a bureau (for use while not traveling), with illustrations.
Date: March 29, 1892
Creator: Dwyer, John
Partner: UNT Libraries Government Documents Department

Can-Opener.

Description: Patent for a can opener that is made from "a single flat piece of metal" (line 17) and is made for ease of operation, reducing the chance of the user cutting themselves.
Date: March 19, 1918
Creator: Williams, Paul E.
Partner: UNT Libraries Government Documents Department

Bottle-Closure

Description: Patent for a bottle cap for milk bottles and similar types of glass bottles. This is designed to be easily removed, keep the mouth of the bottle clean, and can be cleansed, sterilized, and reused.
Date: December 10, 1918
Creator: Williams, Lee
Partner: UNT Libraries Government Documents Department

Automatic Electric Alarm.

Description: Patent for an automatic electric alarm meant to be hooked up to an automatic dry-pipe sprinkler system, and protects against fire. The alarm goes off when the air in the sprinkler pipes falls below a predetermined level. This invention also signals an alert when there is a leak in the pipes, and is an improvement on the circuit-wires for similar alarms.
Date: January 7, 1896
Creator: Williams, George Bayley
Partner: UNT Libraries Government Documents Department
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