Patent Model - Improvement in Tube-Expanders
Maker and role
Hiram Tyler, Patentee
William Severson, Patentee
H. Silsby, Assignee
Production date
Sep 26 1876
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Object detail
Media/Materials
Steel, brass, wood
Measurements
6 x 11 5/8 x 4 1/4" (15.2 x 29.5 x 10.8cm)
Description
Tyler and Severson's device "is principally intended for use in expanding the interior expansible bands of hose-couplings, and to insure the proper position of the expanding-jaws with relation to such band we use an adjustable-gage..." (Patent Number 182,724)
Collection
Object number
2015.14.2257a,b
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