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2 301,337
washer has been made so as to form biting- In testimony whereof we have hereunto set
edges which engage the fish-plate, and there- our hands in the presence of two subscribing
fore we do not claim such subject-matter. witnesses.
What we do claim, however, and desire to se-
5 cure by Letters Patent, is- ELI F. CAMPBELL.
A volute spring-washer consisting of a stiff LAROY C. NOBLE.
or strong plate set up or coiled in an edgewise MILTON G. HOWE.
manner, and having one or more projections
or spurs formed, respectively, on the top and Witnesses:
o0 bottom edges of its inner and outer coils, sub- F. F. COLLINS,
stantially as described. ALF. S. DYER.