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News Clippings and Notes 6
Airplane Cabin Pressurization Collection [Del Mar]
Walter Horten No.5 - Side 1 of 2
Reimar Horten No.9 - Side 2 of 2
Pocket Cinema Preview: An Earth Optimism Video Playlist
Peltigera canina var. albescens (Wahlenb.) J.W. Thomson
Boston -- Christian Science Center
Glass Lantern Slide and Lecture Scripts
The First Church of Christ, Scientist: Tulips, variety Mrs. John F. Scheepers
[Early radio research. Active no. 1797 : photonegative.]
The Mystery Radio!--Dr. Riggs granted 40 patents on revolutionary set based on entirely new principles. New York: Left, Donald F. Hastings, assistant to Dr. Riggs, discussing the amplifier with the inventor. This amplifier is but 5 inches wide by 3 inc...
Scientists and naval officers exploring the ruins of St. Pierre, covered with volcanic ashes. Active no. 6689 : half-stereo interpositive
- Topic:
- MT. PELEE & ST. PIERRE TOUR
Vegetable mammoths--remnants of species of a past epoch--Scientist group, Big Trees, Calaveras Grove. 5992 Interpositive
Ballads for the Age of Science: Experiment Songs
Great Men of Science; Ben Franklin