restrictions: Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu.

Original logbook of the Albatross, dredge numbers 5385-5430, hydro numbers 4928 to 4929, 9 March to 6 April 1909 (last entry incorrectly recorded as 6 April 1908). Data recorded include survey and dredge number (no.), date, sdg. machine, reel, lead, turns, correction, depth, sdg. cup, amt. bot'm sample, bottom, bottom temperature, number and make of thermometer, correction, bottom reading, corrected temperature, air temperature, surface temperature, density, wind, baromet., clouds, state of sea, weather, direction and force of current, tide, general locality, position, chart used, drift, depth of haul, apparatus and rig used, time towing, deck officer, recorder, sounding wire readings, dredge cable, and general remarks. Localities include Cebu Strait, Ragay Gulf, and others near in and near the Philippines

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