1 pp
Original logbook of the Albatross, hydro numbers 5775-5823, 9-20 July 1915. Data recorded include survey and dredge or hydrog 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.,
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