R. J. Dowling Model OL-332 "Banjo" Ear Trumpet (Ear Horn)
This ear trumpet was made by R. J. Dowling of London for Medresco as
indicated by its model number OL-332.
The parabolic reflector measured 4⅝" in diameter and focused the
collected sound into the tube running to the ear.
This ear trumpet is made of japanned metal and measures 17¾" in length
when extended and 11½" when collapsed. The weight of this ear trumpet is
6.8 oz. |
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The name, date and model number are stamped into the front of the
tube in the bowl. It reads "R.J. DOWLING LONDON 12 (up arrow) 49
OL-332.
R. J. Dowling manufactured these ear trumpets in London England.
This ear trumpet was made in December, 1949 for the Ministry of War
(indicated by the "up arrow") under the auspices of Medresco
(Medical Research Council), and distributed by the British Health
Services. All Medresco models began with the letters "OL".
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