Miscellaneous Documents: 30th Congress, 1st Session - 49th Congress, 1st Session, Volumen4 |
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Página 17
... surface , giving rise to the variations in those perturba- tions of the needle which have been called magnetic storms , and which present a periodical recurrence at an interval of about eleven years . The influence of the moon is much ...
... surface , giving rise to the variations in those perturba- tions of the needle which have been called magnetic storms , and which present a periodical recurrence at an interval of about eleven years . The influence of the moon is much ...
Página 56
... surface , and presents the face used as an anvil . The greatest exterior diameter is 49 inches ; width of thickest part of the ring 9 inches , the least 38 inches ; the greatest width of the central opening , 23 inches ; width of ...
... surface , and presents the face used as an anvil . The greatest exterior diameter is 49 inches ; width of thickest part of the ring 9 inches , the least 38 inches ; the greatest width of the central opening , 23 inches ; width of ...
Página 91
... surface , cut , polished , and etched , and galvanographed positively and negatively . We shall be happy , as soon as you may fix on cutting some slices off the block , to receive a bit from you for our Imperial Mineralogical Museum of ...
... surface , cut , polished , and etched , and galvanographed positively and negatively . We shall be happy , as soon as you may fix on cutting some slices off the block , to receive a bit from you for our Imperial Mineralogical Museum of ...
Página 97
... surface , and securing recognition and gen- eral adoption . The conservative forces arrayed against them , aided by school instruction and reading , are now so powerful among us that the language changes but very slowly in this way ...
... surface , and securing recognition and gen- eral adoption . The conservative forces arrayed against them , aided by school instruction and reading , are now so powerful among us that the language changes but very slowly in this way ...
Página 170
... surface is exactly equal to the transverse section of the stratum of water , serve to establish this water in the circuit . The purpose of the interpo- sition of the water is to determine the intensity of the electric current by means ...
... surface is exactly equal to the transverse section of the stratum of water , serve to establish this water in the circuit . The purpose of the interpo- sition of the water is to determine the intensity of the electric current by means ...
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acetic acid acid action alcoholic alcoholic liquid alcoholic mixture ammonia appearance astronomers atoms attraction axis balloon Beautemps-Beaupré become birds California centimetres centrifugal force circular segments coast collection color consequently considerable constriction corresponding curvature cylinder degree diameter dilatation direction disc discharge distance divisions earth electric electrode equal experiments fact feet figure of equilibrium force height hydrogen hydrographic iron la Perouse labors language latter less liquid mass luminous Lussac magnetic manner mass of oil means memoir meridian meters millimeters molecular attraction murexid nature nebula needle nitrogen normal length observations observatory obtained operations phenomena plane plate poles portion positive present pressure produced Professor proportion purple quantity rarefied regard remains ring rotation Smithsonian Institution Society solid system specimens spherical superficial layer surface temperature theory thermometer tion transformation tube ultramarine velocity vessel volume voyage wire