Mattress-Support.
Description:
Patent for a new device that will improve mattress support, including illustrations. It is "designed to take the place of the ordinary spring now in common use and it is formed of inflatable units arranged to be inflated by the use of air, hot or cold water or other similar fluids" (lines 11-15).
Date:
September 21, 1920
Creator:
Monks, Frederick I.
Item Type:
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Partner:
UNT Libraries Government Documents Department