Thermosiphon (Dampfkessel) (German Wikipedia)

Analysis of information sources in references of the Wikipedia article "Thermosiphon (Dampfkessel)" in German language version.

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athra.asn.au

Association of Tourist and Heritage Rail Australia (Hrsg.): Thermic Syphons. (asn.au [PDF]).

espacenet.com

worldwide.espacenet.com

Patent US1337720: Locomotive-boiler. Angemeldet am 26. Dezember 1918, Erfinder: John L. Nicholson.‌