Traffic at the airport of Bourget. No of No. of -) Passengers Kg. freight Freight ( airplanes … J F M A M J J A S 0 N D J F M A )l J J AS 0 WD JF M AM JJA SO WD JF MAM J J AS Km. per month Km. flown per month:Paris-London( ) ,Toulouse-Casablanca(- 80000 l 60000 L 40000! SO NDJFM AMJJASO NDJFHAMJ JASON Passengers Passengers, Paris-London 800' 1931 Kg. of° J A S 6 N ""?g- cf D JFMAMJJAS 0 N D…
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![An illustration from ERIC ED542087: [Biennial Survey of Education, 1926-1928. Bulletin, 1930, No. 16. Chapter I - Chapter XX] (1930)](https://img.insideoutlibrary.com/img/200/ia-ERIC_ED542087-443-0.webp)
