Fraudulent American inventor from Philadelphia (1837-1898) who claimed to have discovered a new motive power which was originally described as ‘vaporic’ or ‘etheric force, and later as an unnamed force based on ‘vibratory sympathy,’ by which he produced ‘interatomic ether’ from water and air. Despite numerous requests from the stockholders of the Keely Motor Company, which had been established to produce a practicable motor based on his work, he consistently refused to reveal to them the principles on which his motor operated, and also repeatedly refused demands to produce a marketable product by claiming that he needed to perform more experiments. Scarce ALS signed “John W. Keely,” one page, 7.75 x 9.75, August 1, 1895. Handwritten letter to Thomas E. Green, in full: "The science of Celestial physics to which my whole life has been devoted teaches me that by recognizing God as personal most thoroughly clouds his divinity and well as his infinity." In fine condition. Accompanied by the original mailing envelope, addressed in Keely's own hand.
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