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.
a keyboard instrument consisting of a number of thin wire strings struck from below by brass tangents. The instrument is noted for its delicate tones, since the tangents do not rebound from the string until the key is released.