Patent Specimen? - Manufacture of Iron
Maker and role
George Mullins, Patentee
Production date
Sep 27 1887
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Object detail
Media/Materials
Iron
Measurements
1 1/2 x 1 1/2 x 7/16" (3.8 x 3.8 x 1.1cm)
5 x 3 1/2" (12.7 x 8.9cm)
5 x 3 1/2" (12.7 x 8.9cm)
Description
Mullins claims as his invention "the process of purifying and improving iron by the introduction to the melted mass of iron, at the proper heat, of pulverized silica, which consists in adding silica when the iron is at a suitable white heat, subsequently puddling the charge until blue and green flames are emitted, then finally working the metal in the usual manner..." (Patent Number 370,401)
Collection
Object number
2015.14.3593a,b
Currently on display?
Maker
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