Brown University's main campus has been located in the College Hill Historic District of Providence since 1912.
A palm pedal a mechanical device that consists of levers attached to the strings of a guitar or other stringed instrument for the purpose of pulling the strings up in pitch to a preset half-step or whole-step .. mechanical device. Machine. strings of a guitar. Guitar strings. stringed instrument. stringed instrument. half-step. half-step. The palm pedal was invented by Boomer Castleman , an American guitarist and singer-songwriter , who designed the prototype in 1968 .. Boomer Castleman. Boomer Castleman. guitarist. guitarist. singer-songwriter. singer-songwriter. Bigsby was the manufacturer of this product in the early 1970s .. Bigsby. Bigsby Electric Guitars. Pro Palm Pedals , a company in Nashville , has been producing palm pedals since 2009 .