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| ===Writing=== | ===Writing=== | ||
| *''Viol-Chaconne'' (J. S. Bach) organ transcription, 1916 | |||
| *"Seb. Bachs Choralvorspiele." (1918) ''BachJb'' xv, 1-96. | *"Seb. Bachs Choralvorspiele." (1918) ''BachJb'' xv, 1-96. | ||
| *"Zur Entstehung des Orgelbüchleins (1717)." (1919) ''BachJb'' xvi, 62-66 | *"Zur Entstehung des Orgelbüchleins (1717)." (1919) ''BachJb'' xvi, 62-66 | ||
Revision as of 16:15, 17 November 2005
Hans Luedtke (d.1973)
Biography
Organist, musicologist and inventor Hans Luedtke developed special Oskalyd extended organs* and keyboards that could be used with any desired tone system. Rounded edge hexagonal shaped keys were to be arranged like honeycombs in such a way that intervals would be represented by unique vectors (i.e. a Generalized Keyboard). He mentioned tunings with semi-, third-, and quartertones, methods for playing special glissandos, electronic switching between tunings or registers during performances, and he also outlined a notation system analogous to the keyboards and a direct opto-electric recording system.
(*) Unusual sounds coming from Oskalyd op. 2113 installed in 1926 at Odessa, Ukraine: Große Trommel, Kleine Trommel, Gong, Tamburin, Holzblock, Retgen, große Kirchenglocke, kleine Kirchenglocke, brechendes Glas, Schlittenglöckchen, Turmuhr, Lokomotivenpfeife, Donner, Vogel 1, Vogel 2, Kuckuck, Telephon, Automobil, Jazz (ref. orgelforum post)
Patents
- DE 388,209. Walcker-Luedtke-Hammer Oskalyd Orgelbau. Vorrichtung zum Erhoehen der Klangwirkung von Tasteninstrumenten, Orgeln u. dgl. 1924.01.19
- DE 403,152. Walcker-Luedtke-Hammer Oskalyd Orgelbau. Tasteninstrument, Orgel o. dgl. (GB 218,252, CH 108,096, DK 34,686) 1924.10.09
- DE 630,202. H. Luedtke. Orgelartiges Musikinstrument. (US 1,919,849, GB 390,574) 1936.05.27
- DE 604,495. H. Luedtke. Tastatur fuer Zwecke der Klangausloesung, der Klangaufzeichnung und fuer Registrierzwecke, insbesondere bei orgelartigen Instrumenten. (US 2,003,894, GB 413,483, FR 756,638) 1934.10.23
- DE 630,202 H. Luedtke. Orgelartiges Musikinstrument. (US 1,919,849, GB 390,574) 1936.05.27
- DE 639,272 H. Luedtke. Ausbildung eines Tastenfeldes, insbesondere fuer Musikinstrumente. (US 2,061,364, GB 459,900)1936.12.02
- DE 749,198 P. H. Luedtke. Tastatur fuer Handharmoniken. 1944.11.17
Writing
- Viol-Chaconne (J. S. Bach) organ transcription, 1916
- "Seb. Bachs Choralvorspiele." (1918) BachJb xv, 1-96.
- "Zur Entstehung des Orgelbüchleins (1717)." (1919) BachJb xvi, 62-66
- "Das Oskalyd" (1926) Musik und Maschine 8-9, 385-387
- "Portativ-Positiv-Kleinorgel nach Changie-Prinzip" (1938) 'DIBZ' 39 p. 117 (ref .)
External Links
- Walcker Orgelbau
- Kino-orgeln Karl Heinz Dettke, 1998
- Contraption_IPP_71512 Trimpin
- NMM 3587 Grand piano with turkish music by Anton Martin Thÿm, Vienna, ca. 1815, National Music Museum
- arcana & incunabula Brian Mclaren. tuning digest post
- The Clavette Harold Fortuin
- Keyboards Starr Labs
- Quartertones console organ Clark Panaccione
- The Basics of Generalized Keyboards Graham Breed
- The general keyboard in the age of MIDI John S. Allen
- Wilson Archives Kraig Grady
Bibliography
- An Elementary Treatise on Musical Intervals and Temperament. Robert Halford Macdowall Bosanquet. MacMillan & Co., London, 1876.
- "The Bosanquetian 7-rank keyboard after Poole and Brown." Erv Wilson. Xenharmonikôn Volume 1 (Spring 1974)
- "The Generalized Keyboard Scalatron." George Secor. Xenharmonikôn Volume 3 (Spring 1975)
- "History and Principles of Microtonal keyboard Design." Douglas Keislar. CCRMA Stanford Univ. Dept. Music, Rep. Nr. STAN-M-45. 04.1988