MAKE A MEME View Large Image Savonius snow melter 1921.png en Patent drawing of Savonius' snow melter from 1921 2011-11-17 Apparatus for melting snow and the like US Patent 1125732 19 Januar 1915 Sigurd Savonius custom PD-old Uploaded with UploadWizard Sigurd Savonius ...
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Keywords: Savonius snow melter 1921.png en Patent drawing of Savonius' snow melter from 1921 2011-11-17 Apparatus for melting snow and the like US Patent 1125732 19 Januar 1915 Sigurd Savonius custom PD-old Uploaded with UploadWizard Sigurd Savonius Snow melting equipment
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