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United States patent 1309377.pdf
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Title
Brake Mechanism
Author
Charles R. Underhill
Year
1919
Publisher
United States Patent Office
Location
New Haven, Connecticut
Source
pdf
Progress
Done—All pages of the work proper are validated
Transclusion
Fully transcluded
Validated in
July 2024
Pages
(key to
Page Status
)
Sheet
1
2