MAKE A MEME View Large Image Prussian-optical-telegraph.jpg Prussian Optical Telegrapg No 2 in Berlin-Dahlem Chill Eugen In memoriam Postrat Pistor in Die Sterne Jg 37 Heft 1 und 2 1961 < 1900 Author Optical telegraph in art PD-old
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Keywords: Prussian-optical-telegraph.jpg Prussian Optical Telegrapg No 2 in Berlin-Dahlem Chill Eugen In memoriam Postrat Pistor in Die Sterne Jg 37 Heft 1 und 2 1961 < 1900 Author Optical telegraph in art PD-old
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