Proceedings of the American Academy of Arts and Sciences, Volumen79Metcalf and Company, 1951 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Página 33
... metal which looked like tin . Although Oersted himself regarded his experiments as incomplete , sub- sequent repetition of his method has shown that the metal can indeed be prepared in this manner . Oersted's method was subsequently ...
... metal which looked like tin . Although Oersted himself regarded his experiments as incomplete , sub- sequent repetition of his method has shown that the metal can indeed be prepared in this manner . Oersted's method was subsequently ...
Página 55
... metal breaks through the ladle lining and reaches the water . The objection to the arc furnace , with its saucer - shaped bath , is its larger size for a given amount of metal . This link is now being improved . In conventional pouring ...
... metal breaks through the ladle lining and reaches the water . The objection to the arc furnace , with its saucer - shaped bath , is its larger size for a given amount of metal . This link is now being improved . In conventional pouring ...
Página 57
... metals may be conveyed through a metallic or refractory pipe , and their flow regulated by a hand operated valve . With steel it is a physi- cal impossibility for a man to stay as near to the stream of metal as he must if the regulation ...
... metals may be conveyed through a metallic or refractory pipe , and their flow regulated by a hand operated valve . With steel it is a physi- cal impossibility for a man to stay as near to the stream of metal as he must if the regulation ...
Contenido
Centennials and Sesquicentennials during 1951 with | 1 |
Continuous Casting of Steel ISAAC HARTER | 45 |
by Class and Section | 63 |
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Términos y frases comunes
absorbed Academy acre agriculture algae Annual Arthur ARTICLE atmosphere Belmont Berlin Boston Brookline Cambridge Cambridge Cambridge carbon dioxide cent Centenary of birth cerium Chairman chap Charles Chem chemistry Class coefficient of resistance Committee Conn continuous casting Council crop curve decreasing pressure earth's earth's atmosphere effect of pressure efficiency electrical electrical resistance electron Fellows Figure flares Foreign Honorary Members forests frequency George germanium HARLOW SHAPLEY Harvard Haven heat Henry hysteresis increasing Institute ionosphere ions John kg/cm² kilocalories kilowatt-hours laboratory land light linear magnetic material McMath-Hulbert Observatory measurements meeting metal mold molecule noise Observatory obtained organic oxide oxygen P. W. Bridgman photons photosynthesis physics plants present production Professor radiation radio reaction room temperature SECTION silvicultural solar energy specific resistance specimen steel studies sunspot sunspot number temperature coefficient tion trees University utilization Washington William yield York