Dent (clocks and watches) Dent (clocks and watches) Dent was a London manufacturer of luxury clocks and watches, founded by Edward John Dent. Dent began making watches in 1814, although it wasn’t until 1876 that the Dent triangular trade mark was registered. Perhaps the company’s biggest coup is winning the contract to make the clock for the new palace of Westminster – or Big Ben as it’s more commonly known. Edward John Dent (1790-1853) discovered his passion for horology from his cousin, Richard Rippon, himself a master watchmaker. Dent established his own company in 1814, and developed a reputation as a builder of accurate
Word ladder the "start word" (synonymous, antonymous, semantic...). This was also the way the game was originally devised by Lewis Carroll when it first appeared in "Vanity Fair". Some variations also allow the player to add or remove letters, and to rearrange the same letters into a different order (an anagram). Donald Knuth used a computer to study word ladders of five-letter words. He believed that three-letter word ladders were too easy (although Lewis Carroll found six steps were required for APE to evolve into MAN), and that six-letter word ladders were less interesting, since relatively few pairs of six-letter words could