Ask the Chatbot Games & Quizzes ProCon History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture Money Videos
Adam Walker
Directory
References
Discover
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England
Inventors and Inventions of the Industrial Revolution
A human Inuit skull in a stone chambered cairn in Ilulissat in Greenland. These ancient graves are pre christian and are at least 2000
14 Tough Questions Answered
The Cheshire Cat is a fictional cat from Lewis Carroll's Alice's Adventures in Wonderland. (Alice in Wonderland)
11 Banned Books Through Time
New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.
Why Is It Called Black Friday?
Baseball laying in the grass. Homepage blog 2010, arts and entertainment, history and society, sports and games athletics
10 Greatest Baseball Players of All Time
An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.
11 Egyptian Gods and Goddesses

Adam Walker

British inventor

Learn about this topic in these articles:

keyboard instrument innovation

  • Moog synthesizer
    In keyboard instrument: Related stringed keyboard instruments

    …a celestina was patented by Adam Walker of London; it employed a continuous horsehair ribbon (kept in motion by a treadle) to rub the strings of a harpsichord. Thomas Jefferson, who ordered a harpsichord equipped with a celestina in 1786, commented that it was suitable for use in slow movements…

    Read More