Low whistle grip" may be required due to the distance between the holes. They belong to the same woodwind instrument family of end-blown fipple flutes. Though the tone of this instrument varies subtly among makers, low whistles are generally characterised by a more breathy, flute-like sound than traditional tin whistles. While the precise history of the low whistle is often debated, it is known that various kinds of vertical fipple flutes have existed in antiquity. The fipple flutes developed during the 16th century were the ancestors of today's low whistle, carrying through from early transverse flutes the six-holed design tradition and conical
Pennywhistle modem Pennywhistle modem The Pennywhistle was an early acoustic coupler modem originally designed and built by Lee Felsenstein in 1973, and later commercialized and offered for sale in 1976. It was one of the earliest modems available for hobbyist computer users. Like most acoustic coupler modems, the Pennywhistle was replaced by the Hayes Smartmodem and similar models from the early 1980s. As part of the effort that would lead to the Community Memory bulletin board system, Lee Felsenstein had found an Omnitech modem ("or something like that"). Designed to operate at rates as high as 300 bits per second (bit/s), the