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Details
An early patent depth sounder by T. Walker
cast in brass with securing loop and weight loop either end of an oval frame over the spinner, fathom dial on an endless screw calibrated to thirty fathoms, spinner locking arm, stamped on frame and one blade T. Walker's Patent, 6043 -- 10in. (25.5cm.) long
See illustration
cast in brass with securing loop and weight loop either end of an oval frame over the spinner, fathom dial on an endless screw calibrated to thirty fathoms, spinner locking arm, stamped on frame and one blade T. Walker's Patent, 6043 -- 10in. (25.5cm.) long
See illustration
Special notice
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