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Toy blocks (also building bricks, building blocks, or simply blocks) are wooden, plastic, or foam pieces of various shapes (cube, cylinder, arch etc.) and colors that are used as construction toys. Sometimes, toy blocks depict letters of the alphabet .
Pantograph used for scaling a picture. In wood type manufacture a cutting tool would be moved around the letter rather than a pen. [41]Modern wood type, mass-produced by machine cutting rather than hand-carved, was invented by Darius Wells (1800–1875), who published his first known catalogue in New York City in 1828.
Low-height pieces of wood or metal furniture are added to make up the blank areas of a page. The printer uses a mallet to strike a wooden block, which ensures tops (and only the tops) of the raised type blocks are all aligned so they will contact a flat sheet of paper simultaneously. Lock-up is the final step before printing.
The California Job Case was a compartmentalized box for printing in the 19th century, sizes corresponding to the commonality of letters. The frequency of letters in text has been studied for use in cryptanalysis, and frequency analysis in particular, dating back to the Arab mathematician al-Kindi (c. AD 801–873 ), who formally developed the method (the ciphers breakable by this technique go ...
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Block letters may also be used as to refer to block capitals, which means writing in all capital letters or in large and small capital letters, imitating the style of typeset capital letters. [2] However, in at least one court case involving patents , the term "block letters" was found to include both upper and lower case .
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