. Bathythermograph observations. Bathythermograph; Ocean temperature. 10. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Hydrographic Office. Washington, D. C. : Published by the U. S. Navy Hydrographic Office under the authority of the Secretary of the Navy

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Keywords: ., bookauthorunitedstateshydrographicoffice, bookc, bookcentury1900