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Early Gravity Observations at Sea
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Abstracted in Carnegie amplitude Apia approximate epoch atmospheric-electric balloon biological board the Carnegie bottom samples cabin Callao Captain Ault Carnegie Inst chart room chemical chronometer cm/secē collecting cruise VII deck declination deep-sea deviations electric engine equipment expedition feet fictitious pendulum fluorine Geodetic globigerina ooze gravity apparatus gravity records Honolulu horizontal intensity inductor installed instrument Island isochronism isopors isostasy laboratory magnetic declination magnetic observations marine measurements ment meters method miles Nansen bottles nets obtained ocean station oceanographic oceanographic station operated original pendulum Pacific Pago Pago Penrhyn Island piano wire pilot-balloon plankton pump port potential gradient quarter-deck radio records sailing salinity sampler San Francisco scientific staff sea water Seiwell sextant ship ship's signals snapper sonic depth finder surface swinging temperature Terrestrial Magnetism theodolite thermometers tions Torreson towed townets values variation Vening Meinesz vertical vessel Wash Washington water bottles weather winch wind