Perpetual motion.- Dircks (Henry) Perpetuum Mobile; or, Search for Self-Motive Power, presentation copy inscribed "with the author's compliments" on front free endpaper, frontispiece, plates and illustrations, author's bookplate to pastedown, contemporary morocco, gilt, spine a little rubbed, g.e., 8vo, 1861. ⁂ Rare. Henry Dircks (1806-73), an engineer credited with designing the Pepper's ghost stage illusion (a popular Victorian stage trick using mirrors whereby a spirit would mysteriously hover mid-stage). Dircks was very aware of the central fallacy of any theories of perpetual motion and hoped this work would act as a "serious warning against any expectancy of fame or fortune from the bestowal of attention on the dry wells and veinless mines of Perpetual Motion."
Perpetual motion.- Dircks (Henry) Perpetuum Mobile; or, Search for Self-Motive Power, presentation copy inscribed "with the author's compliments" on front free endpaper, frontispiece, plates and illustrations, author's bookplate to pastedown, contemporary morocco, gilt, spine a little rubbed, g.e., 8vo, 1861. ⁂ Rare. Henry Dircks (1806-73), an engineer credited with designing the Pepper's ghost stage illusion (a popular Victorian stage trick using mirrors whereby a spirit would mysteriously hover mid-stage). Dircks was very aware of the central fallacy of any theories of perpetual motion and hoped this work would act as a "serious warning against any expectancy of fame or fortune from the bestowal of attention on the dry wells and veinless mines of Perpetual Motion."
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
