Quote from here:
JUST A FEW REALLY COOL PHOTOS OF SILVER APPLES’ HOMEMADE ELECTRONICS RIG, 1968
 
WFMU on Twitter hipped me to these insanely cool photos of psychedelic electronic music group Silver Apples’ homemade electronic gear. Holy hell these are great!


Silver Apples live in Los Angeles, 1968. “In this shot you can see I have the oscillators mounted horizontally in plywood along with echo units, wah pedal, and so on. Here I am playing the ‘lead’ oscillator with my right hand, keying in rhythm oscillators with my elbow on the telegraph keys, changing the volume on an amp with my left hand, and singing. This was typical.”


This photo was taken at an earlier, outdoor concert in New York City, again in 1968, “before the plywood configuration, where I just had all my oscillators, amps, pedals, and so on piled onto a table. There were 30,000 people in the audience — we were terrified!”


Photo by Syeus Mottel

These electronics in action on “Lovefingers” (1968):