Sholes and Glidden typewriter seeking to diversify, Remington further refined the typewriter before finally placing it on the market on July 1, 1874. During its development, the typewriter evolved from a crude curiosity into a practical device, the basic form of which became the industry standard. The machine incorporated elements which became fundamental to typewriter design, including a cylindrical platen and a four-rowed QWERTY keyboard. Several design deficiencies remained, however. The Sholes and Glidden could print only upper-case letters—an issue remedied in its successor, the Remington No. 2—and was a "blind writer", meaning the typist could not see what was being written as it
Typewriter in the Sky re-release of the book, Ann Patterson-Rabon of the "Spartanburg Herald-Journal" concluded: "A short novel, 'Typewriter' is a perfect afternoon read: quick, fun and only as deep as you care to go." Sandy Bauers of Knight News Service called the 1995 audio publication of the work "swashbuckling fun". Peter Haining wrote in "The Classic Era of American Pulp Magazines", ""Typewriter in the Sky", which first appeared in Unknown in 1940, is widely considered to be one of his best works." "Pulp Culture: The Art of Fiction Magazines" by Frank M. Robinson and Lawrence Davidson, listed "Typewriter in the Sky" among Hubbard's