Composer Eric Chasalow gives a demonstration of the Buchla 100 modular synthesizer in the Brandeis Electro-Acoustic Music Studio (BEAMS).

The Buchla 100 Modular Synthesizer – Pt 2

The Buchla 100 Modular Synthesizer – Pt 3

via echasalow:

This synth was purchased by Brandeis in 1968. When I got there in 1990 to rebuild the studios, I was very happy because my grad school work at the Columbia-Princeton Electronic Music Center was mostly done with the same model Buchla (and lots and lots of tape splicing of course).