Automatic Blast-Generator.
Description:
Patent for "a new and improved automatic blast-generator designed for the use of jewelers, dentists, and other persons, and arranged to produce a steady and uniform blast and to permit of increasing or decreasing the force of the blast as required, according to the nature of the work on hand." (Lines 9-16) Includes instructions and illustrations.
Date:
October 12, 1897
Creator:
Sidwell, Aaron M., Jr.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department