Conquests of InventioneBook - 1921?
<p>Before there was electricity to power modern conveniences, there were simple mechanisms such as the cotton gin and sewing machine that changed the world. Mary Parkman has collected just a few of these world altering machines eventually leading up to the progress of electricity in her own time.</p>
Publisher: [s.l.] : [s.n.], [1921?]
Characteristics: 1 online resource (433 p.)