Patent Model - Apparatus for Molding Screws
Maker and role
Henry Binns, Patentee
I. Pitman, Assignee
Henry Binns, Assignee
Production date
Nov 01 1881
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Object detail
Media/Materials
Steel
Measurements
7 1/8 x 5 7/8 x 4 1/2" (18.1 x 14.9 x 11.4cm)
Description
Binns's invention "relates to the construction of the pattern-rod and to the manner of using the pattern in and withdrawing it from the flask with a uniform movement." (Patent Number 249,140)
Collection
Object number
2015.14.3368a,b
Currently on display?
Maker
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