In altitude controls for aircraft engines in which the throttle valve is actuated both manually and by an aneroid‐controlled relay preventing excessive charging of the engine, means are provided for limiting the movement of the relay device so that it may be over‐ridden by the manual control for obtaining extra power at ground levels.
(1933), "Month in the Patent Office: A Selection of the More Important Aircraft and Engine Specifications Published Recently", Aircraft Engineering and Aerospace Technology, Vol. 5 No. 5, pp. 118-118. https://doi.org/10.1108/eb029682
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