Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 53
Fig, 15.—A Foundry. IRON. T RON and coal, it has been well said, are kings of the earth ; and this■*• is true to such an extent that there is scarcely an invention claimingthe readers attention in this book but what involves the indispensableuse of these materials. Again, in their production on the…
Inventions
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