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[Class Portrait]

Description: Photograph of Lower Valley School students. The students and their teacher, Mr. Dippel, are sitting and standing outside the school building. They are arranged in three rows.
Date: 1920~
Partner: Northeast Lakeview College

Crank-Axle Adjustment.

Description: Patent for a crank axle adjustment "to simplify and produce and efficient crank axle that will efficiently perform its function in connection with the general structure of a plow or cultivator." (lines 13-17)
Date: June 15, 1920
Creator: Kopplin, Otto E.
Partner: UNT Libraries Government Documents Department
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