Birkinshaws?s Patent for malleable iron rails for railroads
Spec for J Birkinshaws?s patent for improvement in the construction of malleable iron rails for railroads
Picture No
10700455
Media ID
46095364
Size
3416px x 5271px
(1.2MB)
Credit
The Institution of Mechanical Engineers/Mary Evans
Source
Institution of Mechanical Engineers Collection
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Improvement Malleable Patent Railroads Rails Spec
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