convey+by+electric+telegraph
31Fuse (electrical) — A miniature time delay fuse used to protect electronic equipment, rated 0.3 amperes at 250 volts. 1.25 inches (about 32 mm) long …
32Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
33Casimir effect — Casimir forces on parallel plates Casimir forces on parallel pl …
34Mexico — /mek si koh /, n. 1. a republic in S North America. 97,563,374; 761,530 sq. mi. (1,972,363 sq. km). Cap.: Mexico City. 2. a state in central Mexico. 6,245,000; 8268 sq. mi. (21,415 sq. km). Cap.: Toluca. 3. Gulf of, Mexican, Golfo de México /gawl …
35Antenna (radio) — Whip antenna on car …
36Escalator — For the album by Sam Gopal, see Escalator (album). Escalators in a Copenhagen Metro station, Denmark, 2007 Escalator in action, 2011 An e …
37The Chronicles of Narnia: Prince Caspian — For the book, see Prince Caspian. For the video game, see The Chronicles of Narnia: Prince Caspian (video game). The Chronicles of Narnia: Prince Caspian Theatrical poster Directed by …
38Pulse-code modulation — PCM redirects here. For other uses, see PCM (disambiguation). Pulse code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form for digital audio in computers and various Blu ray, Compact Disc and …
39motion picture, history of the — Introduction history of the medium from the 19th century to the present. Early years, 1830–1910 Origins The illusion of motion pictures is based on the optical phenomena known as persistence of vision and the phi phenomenon. The first …
40Gilbert and Sullivan — refers to the Victorian era partnership of librettist W. S. Gilbert (1836–1911) and composer Arthur Sullivan (1842–1900). Together, they wrote fourteen comic operas between 1871 and 1896, of which H.M.S. Pinafore , The Pirates of Penzance , and… …
