. Electric wave staff : Hydrographic Office model mark I. Oceanographic instruments; Waves. LIFE-RING FLOAT. LINE TO SHIP 3-FOOT DIAMETER DAMPING DISK 15-LB. WEIGHT ELECTRIC WAVE STAFF FIG. 1. 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 Upham, Sidney H; United States. Hydrographic Office. Washington, D. C. : U. S. Navy Hydrographic Office

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Size: 1399px × 1786px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorunitedstateshydrogr, bookcentury1900, booksubjectwaves