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  2. Jefferson disk - Wikipedia

    en.wikipedia.org/wiki/Jefferson_disk

    A disk cipher device of the Jefferson type from the 2nd quarter of the 19th century in the National Cryptologic Museum. The Jefferson disk, also called the Bazeries cylinder or wheel cypher, [1] was a cipher system commonly attributed to Thomas Jefferson that uses a set of wheels or disks, each with letters of the alphabet arranged around their edge in an order, which is different for each ...

  3. Alberti cipher - Wikipedia

    en.wikipedia.org/wiki/Alberti_cipher

    The Alberti Cipher disk. The Alberti Cipher, created in 1467 by Italian architect Leon Battista Alberti, was one of the first polyalphabetic ciphers. [1] In the opening pages of his treatise De componendis cifris [] he explained how his conversation with the papal secretary Leonardo Dati about a recently developed movable type printing press led to the development of his cipher wheel.

  4. File:Reaction wheel.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Reaction_wheel.pdf

    The following other wikis use this file: Usage on cs.wikipedia.org Reverzní Segnerovo kolo; Usage on fr.wikipedia.org Bateau pop-pop; Tourniquet de Feynman

  5. Caesar cipher - Wikipedia

    en.wikipedia.org/wiki/Caesar_cipher

    When each letter is replaced with the letter before it in the Hebrew alphabet the text translates as "YHWH, our God, YHWH", a quotation from the main part of the scroll. [ 9 ] [ 10 ] In the 19th century, the personal advertisements section in newspapers would sometimes be used to exchange messages encrypted using simple cipher schemes.

  6. Coconut Letter Swap

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    Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.

  7. Enigma rotor details - Wikipedia

    en.wikipedia.org/wiki/Enigma_rotor_details

    The slow, left-hand wheel was made stationary during operation while the second wheel stepped with every key stroke. The third wheel and the UKW would step in the normal fashion with Enigma stepping for the third wheel. The stationary but rotatable left-hand wheel was meant to make up for the missing stecker connections on the commercial machine.

  8. Daisy wheel printing - Wikipedia

    en.wikipedia.org/wiki/Daisy_wheel_printing

    Daisy wheel printing is an impact printing technology invented in 1970 by Andrew Gabor [1] at Diablo Data Systems.It uses interchangeable pre-formed type elements, each with typically 96 glyphs, to generate high-quality output comparable to premium typewriters such as the IBM Selectric, but two to three times faster.

  9. Play Letter Garden Online for Free - AOL.com

    www.aol.com/games/play/masque-publishing/letter...

    Enjoy a word-linking puzzle game where you clear space for flowers to grow by spelling words.