Caldwell plans for night and dead calm signal codes 1865.

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Caldwell plans for night and dead calm signal codes 1865.

Two color drawings and one letter. The drawings, which were most likely by Commander Charles Henry Bromedge Caldwell in 1865, offer suggestions for a newly modified system of signal codes for night and dead calm conditions. The new signals relied on 4 storm lanterns with several different colored lenses. It is unknown if Caldwell's ideas were ever implemented by the Bureau of Navigation. The letter, addressed to Rear Admiral Charles Davis, Chief of the Bureau of Navigation, and dated Mar. 1, 1865, appears to be a 2nd draft and was most likely written by Caldwell who was then in charge of the USS R.R. Cuyler.

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SNAC Resource ID: 7442889

The Mariners' Museum Library

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Caldwell, Charles Henry Bromedge, 1823-1877

http://n2t.net/ark:/99166/w6db91d6 (person)

Born in Hingham, Mass., on June 11, 1823. Enlisted in the U.S. Navy in 1838 and was promoted to midshipman in 1844. Between 1861 and 1862, he assumed command of the USS Itasca of the West Coast Blockading Squadron and was also involved in the capture of New Orleans. Promoted to Commander in July of 1862. Caldwell served on several vessels, including the R.R. Cuyler during the Civil War and was eventually promoted to Captain in 1867. Died in 1877. From the description of Caldwell plan...