A steam hammer, also called a drop hammer, is an industrial power hammer driven by steam that is used for tasks such as shaping forgings and driving piles. Typically the hammer is attached to a piston that slides within a fixed cylinder, but in some designs the hammer is attached to a cylinder that slides along a fixed piston.
invented by Patrick Bell
A reaper is a farm implement or person that reaps (cuts and often also gathers)…
invented by Karl Von Drais
The dandy horse, a derogatory term for what was first called a Laufmaschine (in…
invented by Alexander Parkes
Celluloids are a class of materials produced by mixing nitrocellulose and…
invented by Alessandro Volta
The voltaic pile was the first electrical battery that could continuously…
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