Punch,  7 (1844), 235.

A Most Useful Invention

Anon

Genre:

Announcement, Drollery

Subjects:

Invention, Government, Metallurgy, Industry


    Announces a process for increasing the hardness of wood by impregnating it with iron. Adds that the inventor intends to convert the wood prepared in this manner into 'Boards of Guardians'.



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