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Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 326
^ four. Frank. Insl., Vol. CXXXIII. April, i8g2. C8 u ^ u 0) f^- j: 03 g C F -*-> F cd c ■o c c« #Science · Technology · Meteorology · Patents
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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