Ringelmann smoke chart

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Ringelmann-Skala — Die Ringelmann Skala (auch Ringelmann Chart oder Ringelmann Smoke Chart ) ist eine Skala für die Opazität von Rauch oder Staub. Die Ringelmann Skala wurde von Maximilian Ringelmann (1861 1931, ab 1888 Professor für Agraringenieurwesen am… … Deutsch Wikipedia
Max Ringelmann — Maximilien Ringelmann (December 10, 1861 (Paris, France) May 2, 1931 (Paris, France)) was a French professor of agricultural engineering who discovered the Ringelmann effect, viz, that when working in groups, individuals slacken.[1] After… … Wikipedia
Ringelmann chart — /ringˈg(ə)l man chärt or mən/ noun A chart giving a scale of shades of grey against which density of smoke may be gauged ORIGIN: After the deviser … Useful english dictionary
Dark smoke — In English law, dark smoke is any smoke that is as dark, or darker, than shade 2 on the Ringelmann smoke chart. [Clean Air Act 1993, s.3(1)] References … Wikipedia
Marmaduke Surfaceblow — is a fictional engineer. His globe girdling engineering adventures written by Steve Elonka first appeared in Power Magazine in 1948.[1] Marmaduke is a marine engineer with vast knowledge of machinery. He works out of an office over O Houlihan s… … Wikipedia

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