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. |
Dentro del libro
Resultados 1-3 de 51
Página 327
... scale proposed by Kelvin . At the present time the gas ther- mometer is recognized as the primary instrument for the determination of temperatures on the absolute scale . Two types of gas thermometer are in general use : the constant ...
... scale proposed by Kelvin . At the present time the gas ther- mometer is recognized as the primary instrument for the determination of temperatures on the absolute scale . Two types of gas thermometer are in general use : the constant ...
Página 338
... scale , ( 2 ) the comparator , ( 3 ) the plate glass , ( 4 ) the manometer tubes , and ( 5 ) the lighting system . The scale was calibrated at the U. S. National Bureau of Standards . Frequently during the measurements the filar ...
... scale , ( 2 ) the comparator , ( 3 ) the plate glass , ( 4 ) the manometer tubes , and ( 5 ) the lighting system . The scale was calibrated at the U. S. National Bureau of Standards . Frequently during the measurements the filar ...
Página 347
... scale division D1 [ D2 ] . D1 [ D2 ] = m = scale division nearest cross - hair of upper [ lower ] telescope when set on M1 [ M2 ] . number of units on the scale per one complete turn of the micrometer head ; it is the same for both ...
... scale division D1 [ D2 ] . D1 [ D2 ] = m = scale division nearest cross - hair of upper [ lower ] telescope when set on M1 [ M2 ] . number of units on the scale per one complete turn of the micrometer head ; it is the same for both ...
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 |
Otras 8 secciones no mostradas
Otras ediciones - Ver todas
Términos y frases comunes
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