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Sheep-killing dogs.

Description: Describes the problems posed by sheep-killing dogs and their habits. Discusses control methods, including dog-proof fencing and law enforcement. Provides suggestions for uniform state dog laws, and a summary of existing state dog laws.
Date: February 1941
Creator: Simmons, V. L. (Victor Leonidas), 1901-
Partner: UNT Libraries Government Documents Department

Two-Stage Supercharging

Description: "The arrangement of the parts and the installation and control problems of the two-stage mechanically driven superchargers for aircraft engines are discussed. Unless an entirely new form of supercharging is developed, there will be a definite need for a two-stage centrifugal supercharger. It is shown that the two-stage mechanically driven supercharger itself is a comparatively simple device; the complications arise from the addition of inter-coolers and controls" (p. 1).
Date: February 1941
Creator: Buck, Richard S.
Partner: UNT Libraries Government Documents Department

Comparison of Automatic Control Systems

Description: This report deals with a reciprocal comparison of an automatic pressure control, an automatic rpm control, an automatic temperature control, and an automatic directional control. It shows the difference between the "faultproof" regulator and the actual regulator which is subject to faults, and develops this difference as far as possible in a parallel manner with regard to the control systems under consideration. Such as analysis affords, particularly in its extension to the faults of the actual regulator, a deep insight into the mechanism of the regulator process.
Date: February 1941
Creator: Oppelt, W.
Partner: UNT Libraries Government Documents Department