. Bulletin. Science. ^151 « "*-^Sk ^â SV^-f'^^â ^"''. c 3 -⢠rn C CS q; o 3: ij Z CTl Q-> o ^ T-3 rr, CJ Ph -i^ (N QJ CO c > cfl T^ â p m n. V n T1 IS ft, 1 tn rrt OJ ^ C <u JJ o o D, 3 70 BULLETIN 228: CONTRIBUTIONS FROM THE MUSEUM OF HISTORY AND TECHNOLOGY. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution; United States. Dept. of the Interior; United States National Museum. Wash


. Bulletin. Science. ^151 « "*-^Sk ^â SV^-f'^^â ^"''. c 3 -⢠rn C CS q; o 3: ij Z CTl Q-> o ^ T-3 rr, CJ Ph -i^ (N QJ CO c > cfl T^ â p m n. V n T1 IS ft, 1 tn rrt OJ ^ C <u JJ o o D, 3 70 BULLETIN 228: CONTRIBUTIONS FROM THE MUSEUM OF HISTORY AND TECHNOLOGY. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution; United States. Dept. of the Interior; United States National Museum. Washington, Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off


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Keywords: ., bookauthorunitedstatesdepto, bookcentury1900, booksubjectscience