Proceedings of the American Academy of Arts and Sciences, Volumen74Metcalf and Company, 1938 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
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Página 39
... material is indicated . SrSe . Two different batches of material were used . The first was made specially to order by a chemical supply house . With this two set - ups were made , separated by an interval of about a month . The first ...
... material is indicated . SrSe . Two different batches of material were used . The first was made specially to order by a chemical supply house . With this two set - ups were made , separated by an interval of about a month . The first ...
Página 41
... material . PbSe . The material was especially made by MacKay . Two set - ups were made at both tem- peratures . There is a transition at both tempera- tures between 40,000 and 45,000 with a volume change between one and two per cent ...
... material . PbSe . The material was especially made by MacKay . Two set - ups were made at both tem- peratures . There is a transition at both tempera- tures between 40,000 and 45,000 with a volume change between one and two per cent ...
Página 368
... Materials α , mean coefficient of linear thermal expansion ( ° C. - 1 Int . ) of the material of the scale from tan to t .. P8 = density ( gm./mm.3 ) of the material of the scale . E , Young's modulus ( dynes / mm.2 ) of the material of ...
... Materials α , mean coefficient of linear thermal expansion ( ° C. - 1 Int . ) of the material of the scale from tan to t .. P8 = density ( gm./mm.3 ) of the material of the scale . E , Young's modulus ( dynes / mm.2 ) of the material of ...
Contenido
The Linear Compression of Iron to 30000 kgcm² By P W BRIDGMAN | 11 |
Fossil Parasitic Hymenoptera of the Family Scelionidae from Baltic Amber By C | 69 |
Records of Meetings 193840 Biographical Notices List of Members Statutes and Standing | 91 |
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abdomen Acad aedeagus Allotype Amer Anal plates antennae Banks basal Boston BRUES bulb capillary carboloy chap Charles chih Class coefficient Committee Comparative Zoology compression constant correction costal area cross-vein curved dark brown determined distal dorsal view E. P. Kohler equation Fasciculus Fellows female FIGURE Fore wing Foreign Honorary Members Fund gas thermometer genus gradate veins Hemerobiidae Hemerobius Henry Hind wing Holotype hsien hyaline Ibid inner gradate insect July kg/cm² lateral view maculations Magrath manganin manometer Manuscripts margin material measurements median meeting meniscus mercury mesonotum method Micromus Museum of Comparative Nearctic Neuroptera Nordegg P. W. Bridgman piezometer piston Po-Tuan posterior pressure vessel Proc Professor pronotum propodeum pterostigma radial room temperature Rumford Scelionidae scutellum Section set-ups Shih short arm Sisyridae species specimens sternite Sympherobius Table tenth sternite tergite thermal tion transition tube volume William Zoology