Doug Coulter, who contrited these photos was first exposed to Philbrick gear when his father demonstrated a speech synthesizer at the 1966 World's Fair in New York.
Doug inherited from his father a vast electronic collection with a lot of documentation, Philbrick gear and also many rare and hand made tubes. Doug hopes to contribute more to this archive.
Grass Instruments are the two lower rack pieces with all the pretty knobs. This is the most lavish use of knobs that I have ever seen!