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16966Practical Electrics issue date March 1924. This issue describes Bellin invention of the first ever system to send remote images. This will be a precurcer to Faxes Intenet and Television. The Pianorad is the invention of Mr. Gernsback and was built in the radio news laboratories by Mr. Clyde J. Fitch. This is the first time that a musical instrument has been constructed from radio parts; and it should therefore have more than passing attention from all radio interests. The magazine Practical Electrics March 1924 front cover has an image of Hugo Gernsback known as the Father of Science Fiction' invented and built an early electronic instrument called the Staccatone in 1923 which was later developed into one of the first polyphonic instruments the Pianorad in 1926. The Pianorad has a keyboard like an ordinary piano and there is a radio vacuum tube for each one of the piano keys. Every time a key is depressed there is energized a radio-oscillator circuit which gives rise to a pure flutelike note through the loud-speaker connected to the device. It is possible to connect any number of loud-speakers to the Pianorad if it is desired to flood an auditorium with its tones. It is the first time that a musical instrument has been constructed from radio parts;. unknown books
196721812New York: No Publisher 1967. Including: 1967 letter from Nicholas Ridgley du Pont regarding Hauni Inc.'s of Germany ability to adapt existing cigarette machines to the Vitamin A cigarette technology proposed by Nelson Waterbury with a copy of the patent design drawing and information from the U.S. Patent Office with patent numbers & standard forms the invention "Smoking article and filter therefor containing Vitamin A" filed Oct. 28 1966 another letter from a proponent and co-investor in the patent 'selling' the idea as something which would introduce Vitamin A into the respiratory tract to help its' function - there was concern with tobacco tainted with 3.4 benzo-pyrene found in smoke with a clipping from a NY Times article on the "Strickman Filter" proposed for use by Pall Mall of Canada - about 10 pages of material all told - an interesting sideline are a few pages of material regarding the development of a Vitamin A tampon concerning which also involved du Pont and which evidently used a similar system for the 'delivery' of Vitamin A; with about 10 pages of 1969 typed correspondence faxes and telegrams regarding an investment scheme with the inventor and the juggling of funds and stocks among interested parties some of whom were not trustworthy; with about 15 pages of 1990 typed agreements fax letters copies of U.S. Patent papers regarding the "Combination incandescent and solar electric light bulb with automatic switching device and charging means therefor" - including a fax from John P. Millhone Dep. Asst. Sec. of the Dept. of Energy writing of his interest in the research citing ".The U.S. Department of Energy sees the development and commercialization of energy efficient technologies in lighting and other areas as critical to the national and world interest." and with an agreement with an investor in the bulb process and other communications; with a couple of personal letters to one of the investors from the inventor and a friend on a trip to Europe attempting to set a up deal for specialty steels in Germany and an unidentified copy of a clipping of an article regarding the invention of a voiceprint credit card devised by Waterbury from an English periodical; light wear to materials in good condition and an interesting group concerning an American inventor's varied work. . Manuscript. Not Bound. Very Good. No Publisher Paperback books