A Dweller on Two Planets, (Or the Dividing of the Way) by Phylos the Thibetan (a nom de plume of Frederick Spencer Oliver) was originally published in 1905.
Outlining antigravity, mass transit, the use of dark energy, and other devices like voice-operated typewriters, and cig.
The book itself was actually channelled by Frederick Spencer Oliver, and is a work of speculative fiction, depicting a high age of Atlantis and its technology.
The work is an important text in 19th century Atlantis lore.
A Dweller on Two Planets, (Or the Dividing of the Way) by Phylos the Thibetan (a nom de plume of Frederick Spencer Oliver) was originally published in 1905