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Dive into the research topics where John J Heigl is active.

Publication


Featured researches published by John J Heigl.


Archive | 1944

High speed recording system

John J Heigl; James A Wilson


Archive | 1944

Apparatus for instantaneously indicating on an oscilloscope screen the absorption spectrum of a substance

John J Heigl; James A Wilson


Archive | 1955

Stabilization of petroleum distillates

James F Black; Donald A. Guthrie; George A. Weisgerber; John J Heigl


Archive | 1951

Aircraft fuel filter system

John J Heigl


Archive | 1963

Pour point apparatus

George E Conklin; John J Heigl; James A Wilson


Archive | 1964

Gas chromatography columns

John J Heigl


Archive | 1967

Measuring system wherein time-voltage signals are converted to proportional pulse frequency signals for storage, detection, and integration

Arthur L. Macritchie; John J Heigl


Archive | 1965

Verfahren zum automatischen Messen der Viskosität von Ölen und Einrichtung zur Durchführung dieses Verfahrens

John J Heigl; George E Conklin; James A Wilson


Archive | 1965

Engine roughness indicator and recorder

Victor F Massa; Tsien Hsue Chu; John J Heigl


Archive | 1966

Automatic recorder control device

Donald A. Caldwell; John J Heigl

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