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Jasper Johns asked me if I could give him
a neon letter which was powered by batteries only. Johns
wanted no cords attached to the painting. I needed a high
voltage supply. To stack up batteries to 1200 volts would
have been messy, dangerous and impractical. So my colleague
and I began with a 12 volt rechargeable battery. A multi-vibrator
circuit converted the DC voltage from the batteries into
AC. Transformed into 1200 volts and then rectified, it
powered the neon letter. All the technical equipment was
mounted behind the painting. We were able to provide enough
energy for the red neon "R" that glows in Field
Painting.
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