. Electric wave staff : Hydrographic Office model mark I . LINE TO SHIP 3-FOOT DIAMETER DAMPING DISK 15-LB. WEIGHT ELECTRIC WAVE STAFF FIG. 1

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Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorunitedstateshydrogr, bookcentury1900, booksubjectwaves