first printing cylinder
21Jefferson disk — The Jefferson disk, or wheel cypher as Jefferson named it, is a cipher system using 26 wheels, each with the letters of the alphabet arranged randomly around them. First invented by Thomas Jefferson in 1795, it did not become well known and was… …
22PT boat — PT 105 at high speed PT Boats were a variety of motor torpedo boat (hull classification symbol PT , for Patrol Torpedo ), a small, fast vessel used by the United States Navy in World War II to attack larger surface ships. The PT boat squadrons… …
23William Maw — Infobox Engineer image size = caption = name = William Maw nationality = English birth date = 6 December 1838 birth place = Scarborough, North Yorkshire death date = Death date and age|1924|3|19|1838|12|6 death place = education = Syke s School,… …
24Timeline of computing hardware 2400 BC–1949 — History of computing Hardware before 1960 Hardware 1960s to present Hardware in Soviet Bloc countries Artificial intelligence Computer science Operating systems Programming languages …
25The Raven — is a narrative poem by the American writer Edgar Allan Poe, first published in January 1845. It is noted for its musicality, stylized language, and supernatural atmosphere. It tells of a talking raven s mysterious visit to a distraught lover,… …
261890s — Millennium: 2nd millennium Centuries: 18th century – 19th century – 20th century Decades: 1860s 1870s 1880s – 1890s – 1900s 1910s 1920s …
27Silk Road — The Silk Road, or Silk Routes, are an extensive interconnected network of trade routes across the Asian continent connecting East, South, and Western Asia with the Mediterranean world, including North Africa and Europe. The so called Silk Routes… …
28Syracuse, New York — Syracuse   City   A view of the Downtown Syracuse skyline Nickname(s): Salt City, The Cuse, Emerald Cit …
29flatbed press — ▪ printing printing press employing a flat surface for the type or plates against which paper is pressed, either by another flat surface acting reciprocally against it or by a cylinder rolling over it. It may be contrasted to the rotary press (q …
30technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
