Soap-Making Apparatus.
Description:
Patent for improvements in soap-making apparatus by using the “same frames to mix the ingredients and in cooling the prepared mass, thus obviating the necessity of the removal of the mixed mass from the mixing-frame to a cooling-frame.” (Lines 11-15) Illustration
Date:
August 18, 1891
Creator:
Grant, William A.
Item Type:
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Partner:
UNT Libraries Government Documents Department