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2. Printing telegraph - Wikipedia

   en.wikipedia.org/wiki/Printing_telegraph

   The device was made by two 28-key piano-style keyboards by wire. Each piano key represented a letter of the alphabet and when pressed caused the corresponding letter to print at the receiving end. A "shift" key allowed an alternative character to be assigned to each key, for example a digit or punctuation mark instead of a letter. A 56 ...

3. Pratt-Read - Wikipedia

   en.wikipedia.org/wiki/Pratt-Read

   The company began to specialize in manufacturing ivory piano keys in 1839 [4] and eventually piano action mechanisms. The company made its first screwdrivers in 1834 but stopped in 1840, instead selling the handles and blades to smaller companies made at the Pratt, Read and Company Factory Complex .

4. Musical keyboard - Wikipedia

   en.wikipedia.org/wiki/Musical_keyboard

   Pressing a key on the keyboard makes the instrument produce sounds—either by mechanically striking a string or tine (acoustic and electric piano, clavichord), plucking a string (harpsichord), causing air to flow through a pipe organ, striking a bell , or activating an electronic circuit (synthesizer, digital piano, electronic keyboard).

5. Learn how to play piano from home with this app - AOL

   www.aol.com/learn-play-piano-home-app-100000930.html

   If you don't have one, you can use the on-screen virtual keyboard to get started. It's regularly $299 for a lifetime subscription, but you can slash 50% off for a limited time and get the full ...

6. Action (piano) - Wikipedia

   en.wikipedia.org/wiki/Action_(piano)

   The piano action mechanism [1] (also known as the key action mechanism [2] or simply the action) of a piano or other musical keyboard is the mechanical assembly which translates the depression of the keys into rapid motion of a hammer, which creates sound by striking the strings.

7. Donald Trump launches his own $TRUMP meme coin — and it’s ...

   www.aol.com/finance/donald-trump-launches-own...

   The launch of the coins came just ahead of Trump’s inauguration on Monday and follows a broader rise in crypto prices throughout 2024 and early 2025.