Proceedings of the American Academy of Arts and Sciences, Volumen74Metcalf and Company, 1942 Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell. |
Dentro del libro
Resultados 1-3 de 65
Página 410
... Runs were made at all four tempera- tures ; at 25 ° and 75 ° with four set - ups and in four different pressure vessels , and at 125 ° and 175 ° with three set - ups and in three vessels . The material freezes very sluggishly . If the ...
... Runs were made at all four tempera- tures ; at 25 ° and 75 ° with four set - ups and in four different pressure vessels , and at 125 ° and 175 ° with three set - ups and in three vessels . The material freezes very sluggishly . If the ...
Página 433
... runs with gold , which was chosen as the standard substance because of its low com- pressibility and mechanical softness , as already described . Four piezometers were used in this work and six calibrating runs were made with gold , two ...
... runs with gold , which was chosen as the standard substance because of its low com- pressibility and mechanical softness , as already described . Four piezometers were used in this work and six calibrating runs were made with gold , two ...
Página 437
... run was used in making up the values below 40,000 . Above 40,000 the differential compressions of the two runs were averaged . At 100,000 the two compres- sions given in this way differed by 3.6 % from the mean . Again a well marked ...
... run was used in making up the values below 40,000 . Above 40,000 the differential compressions of the two runs were averaged . At 100,000 the two compres- sions given in this way differed by 3.6 % from the mean . Again a well marked ...
Contenido
The Measurement of Hydrostatic Pressure to 30000 kgcm² By P W BRIDGMAN | 1 |
The Linear Compression of Iron to 30000 kgcm² By P W BRIDGMAN | 11 |
The Compression of 46 Substances to 50000 kgcm² By P W BRIDGMAN | 21 |
Otras 11 secciones no mostradas
Otras ediciones - Ver todas
Términos y frases comunes
abdomen Acad Academy aedeagus Allotype Amer Anal plates antennae apparatus Banks basal Boston Brookline bulb capillary carboloy chap Charles chih Class coefficient Committee Comparative Zoology compression constant correction costal area curved dark brown determined distal dorsal view E. P. Kohler equation error female FIGURE Fore wing Fund gas thermometer genus gradate veins Hemerobiidae Hemerobius Henry Hind wing Holotype hsien hyaline Ibid inner gradate insect July kg/cm² Killington lateral view length light brown liquid maculations manganin manometer margin material measurements median meeting meniscus mercury mesonotum method Micromus Museum of Comparative Nearctic Neuroptera Nordegg P. W. Bridgman piezometer piston plates of male posterior present pressure vessel Proc Professor pronotum propodeum pterostigma room temperature scutellum Section set-ups short arm species specimens steel Sympherobius Table tenth sternite tergite thermal tion transition tube venation ventral vertex volume William Zoology