A DEVICE TO NAVIGATE THE AIR. AN IMPROVED BOOK HOLDER. STRIPPEL'S MAGAZINE AND BOOK SUPPORT. Metamorphoses of Fleas. AN IMPROVED BAGGAGE CHECK. AN IMPROVED LIFE RAFT. EDWARDS' LIFE RAFT. BECHTEL'S AIR SHIP. CRUMP'S BAGGAGE CHECK. AN IMPROVED REIN GUIDE. STOAKES & FRITH'S REIN GUIDE., scientific american, 1890-06-21


A DEVICE TO NAVIGATE THE AIR. AN IMPROVED BOOK HOLDER. STRIPPEL'S MAGAZINE AND BOOK SUPPORT. Metamorphoses of Fleas. AN IMPROVED BAGGAGE CHECK. AN IMPROVED LIFE RAFT. EDWARDS' LIFE RAFT. BECHTEL'S AIR SHIP. CRUMP'S BAGGAGE CHECK. AN IMPROVED REIN GUIDE. STOAKES & FRITH'S REIN GUIDE., scientific american, 1890-06-21


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