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Still Or Distillation Apparatus, Vintage Engraving
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High Pressure Steam Generator, Vintage Engraving.
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German Apparatus For The Distillation Of Urine, Vintage Engraving
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Steam Heating (East Bavarian Annex), Vintage Engraving.
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Heating Thermosyphon (East French), Vintage Engraving.
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Heating Thermosyphon (East French), Vintage Engraving.