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Castel, Louis Bertrand

CASTEL, LOUIS BERTRAND (1688—1757), French mathematician, was born at Montpellier on the If th of November 1688, and entered the order of the Jesuits in 1703. Having studied literature, he afterwards devoted himself entirely to mathematics and natural philosophy. He wrote several scientific works, that which attracted most attention at the time ‘being his Optique […]

Dr. Samuel J. Hoffman and the Theremin

Music by Harry Revel, Orchestra and Chorus conducted by Leslie Baxter (’47 ’48) and Billy May (’50). This box contains re-issues from the following record sets: Music out of the moon, 1947 (Capitol CC-47); Perfume set to music, 1948 (RCA Victor P-231); and Music for peace of mind, 1950 (Capitol CC-221). Dr. Hoffman started his […]

Of the Theremin and Futurist Stringed Instrument Making

Theremin: Diagram of Virtual Capacitor.

In this article, Giorgio Necordi examines the technology behind the Theremin and outlines the differences between tubes and transistor technology. Then he describes his project for a new transistor Theremin. Introduction The date of birth of the first electronic instrument depends on that of the invention of the thermionic valve or tube (the first exquisitely […]

Lev Termen Himself Taught Me to Play it

Lydia Kavina and Lev Termen

Penzholz: Before talking about you, I think we should first talk about your instrument. What kind of instrument is it, and who invented it? Kavina: The Theremin was invented in 1920 by the Russian physicist Lev Theremin from St. Petersburg. You can think of it as the first electronic musical instrument ever seen on a […]

Lev Sergeyevich Termen: The Inventor of the Theremin

Léon Theremin demonstrating the Thereminvox.

The history of the Theremin and its inventor through a collection of press clips. The Birth of the Theremin In the years previous to 1920, a young student, Lev Sergeivitch Termen (a name which was thereafter gallicized to Léon Théremin), built an electronic musical instrument in St. Petersburg. It was a Thermionic tubed instrument. Théremin […]

Lydia Kavina – Original works for theremin

Joshua Pierce, piano Elizabeth Parcells, soprano Portland String Quartet Composers: Bohuslav Martinu, Percy Grainger, Joseph Schillinger, Lydia Kavina, Jorge Antunes, Vladimir Komarov, Friedrich Wilckens, Isodor Achron Lydia Kavina (1967) is the leading thereminist in the world today, according to the booklet. Beeing the granddoughter of Leon Theremin’s first cousin, she was the inventors last protégée. […]

Clara Rockmore – The Art of the theremin

Nadia Reisenberg, piano Composers: Rachmaninoff, Saint Saëns, De Falla, Achron, Wieniawski, Stravinsky, Ravel, Tchaikovsky, Glazunov The Russian borne (1911-1998) Clara Rockmore was the youngest of three musically gifted sisters. Her oldest sister is Nadia Reisenberg who plays the piano on this cd. Clara was gifted with an ‘ absolute pitch ‘ and a great sense […]

The RCA theremin – 2 – The Pitch Control System

The RCA Victor Theremin

The construction and operation of the RCA theremin pitch control circuit. This installment deals with the construction and operation of the RCA theremin pitch control circuit. The heart of the system is a large “pitch control resonant coil” (PCRC). The PCRC is the tall coil mounted the left side seen when looking into the back […]