References. 1  5 U.S.C. 5504. 2  5 CFR part 550, subpart F. 3  GAO Study - August 26, 1981 (PDF file) [353.6 KB] 4  How to Compute Rates of Pay. 5  Salary Tables and Related Information. 6  Guidance on Pay Caps in Calendar Years with 27 Pay Days (external link)
A harpsichord is a keyboard instrument, similar to a piano, that  has an array of strings plucked by a device called a plectrum (or  pick), which is actuated by mechanisms â¦ attached to the keys.  Historically, plectrums were made of quill, but today they are  mostly made of plastic.
The Harpsichord. A stringed keyboard instrument developed during the 14th and 15th century, the harpsichord was widely used until the early 19th century when it was superseded by the piano. 20th century revivals of the instrument feature music of the 16th to 18th centuries with particular emphasis on Bach's music.arpsichord details. A stringed keyboard instrument developed during the 14th and 15th century, the harpsichord was widely used until the early 19th century when it was superseded by the piano. 20th century revivals of the instrument feature music of the 16th to 18th centuries with particular emphasis on Bach's music.