Letters between Ivor Darreg and Erv Wilson
1962
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Patent (image partially destroyed) for a Musical Instrument by Erv Wilson. Part of a series of letters from Erv Wilson to Ivor Darreg. Erv Wilson, 1962-01-01
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Letter from Ivor Darreg to Erv Wilson. Ivor Darreg, 1962-02-26
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1962-03-11
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1962-04-05
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1962-06-02
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Letter from Ivor Darreg to Erv Wilson and Tillman Schafer. Ivor Darreg, 1962-06-11
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1962-07-28
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1962-10-09
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1962-11-13
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Erv Wilson. ID Keyboard Layout. December 13, 1962.. Erv Wilson, 1962-12-13
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Erv Wilson. Keyboard layout diagram. December 13, 1962.. Erv Wilson, 1962-12-13
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1962-12-27
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1962-12-30
1963
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1963
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1963-01-22
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Letter from Ivor Darreg to Erv Wilson, p4. Ivor Darreg, 1963-01-24
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Letter from Ivor Darreg to Erv Wilson, p2. Ivor Darreg, 1963-01-28
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Letter from Ivor Darreg to Erv Wilson. Ivor Darreg, 1963-02-04
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1963-02-22
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Letter from Ivor Darreg to Erv Wilson. Ivor Darreg, 1963-02-22
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Ervin Wilson. Letter to Ivor Darreg discussing 41-tone equal division of the octave (41EDO) and just intonation scale generation. February 22, 1963.. Erv Wilson, 1963-02-22
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Letter from Ivor Darreg to Erv Wilson. Ivor Darreg, 1963-02-24
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1963-03-07
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1963-03-13
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Letter from Ivor Darreg to Erv Wilson. Ivor Darreg, 1963-03-20
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Letter from Ivor Darreg to Erv Wilson. Ivor Darreg, 1963-04-03
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Ivor Darreg. Letter to Ervin Wilson. April 3, 1963.. Ivor Darreg, 1963-04-03
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Letter from Ivor Darreg to Erv Wilson. Ivor Darreg, 1963-04-10
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1963-05-30
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Letter from Ivor Darreg to Erv Wilson and Tillman Schafer. Ivor Darreg, 1963-06-11
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Ivor Darreg. Letter to Erv Wilson discussing 60-note electronic music unit, 31-tone system sol-fa notation, and tape recorder acquisition. 28–29 June 1963.. Ivor Darreg, 1963-06-28
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Ivor Darreg. Letter to Ervin M. Wilson discussing enharmonic tuning, Greek pronunciation, and modal piano schemes. September 3, 1963.. Ivor Darreg, 1963-09-03
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1963-09-30
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Letter from Erv Wilson to Ivor Darreg. Erv Wilson, 1963-12-05



































