From the website:
More than 125 joints and fittings form a plumber’s tree displayed by a Chester, Pa., firm. All the bends, traps, elbows and other parts comprising it are commonly used soil and water-pipe connections. The joints are packed with oakum.
That's make one very cool Christmas tree! From Popular Mechanics 1950: Link - via Make
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Finally! A use for all that oakum I have lying around!
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