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Heuchler mordgrube. de Wassersulenmaschine im MendenSchacht der Alten Mordgrube bei BrandErbisdorf pe tuclausthal de htm Johann Eduard Heuchler siehe google id fnUbSqsC pg PA mpiwgberlin mpg de url start pn mode imagepath PDArt Drawings by Johann Eduard Heuchler Alte Mordgrube BrandErbisdorf
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