Koping, Sweden/koping191
Previous | Home | NextPreparation of oxygen. The balloon is a bladder, since rubber wasn't being used yet. The book is about "Feuerluft" ("Fire-air"), the name he gave to oxygen.
Koping, Sweden/koping191Previous | Home | NextPreparation of oxygen. The balloon is a bladder, since rubber wasn't being used yet. The book is about "Feuerluft" ("Fire-air"), the name he gave to oxygen. |
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