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|Additional Physical Format:||Online version:
United States. Light-House Board.
Papers on the comparative merits of the catoptric and dioptric or catadioptric systems of light-house illumination.
Washington, Gov't Print. Off., 1861
|Material Type:||Government publication, National government publication|
|All Authors / Contributors:||United States. Light-House Board.|
|Description:||iv, 272 pages 23 cm|
|Responsibility:||Comp. from British, French, and United States reports and authorities, for the use of the United States Light-House establishment service.|