551. Edison Blue Amberol Record




It was packaged in a cardboard tube.




552. Bookbinding embossing roll, a.k.a. back tool, blank roll or gilding roll; it's used to apply gold leaf to the leather cover of a book.








553. TDS (total dissolved solids) & temp meter







554. Fire sprinkler








555. Windlass from a water well





556. Logging dog





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