Metal Hard Rubber Conversation Tube
This conversation tube has a coated metal bell and an ear
piece of hard rubber. The spiral tube, which is narrower than most of
the conversation tubes at only 0.5 inches in diameter, is 40 inches
long.
It is covered with a very finely woven cloth material.
This conversation tube dates from somewhere around 1900. |
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Another view of the metal hard rubber conversation tube showing a
side view of the bell. The bell is 2¾" long and 1 7/8" outside diameter.
Because of the small bell and tube, this conversation accentuates the
higher frequency sounds and suppresses the bass to some extent.
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