Engineering drawing drawing on A3 may be enlarged to A2 or reduced to A4. The U.S. customary "A-size" corresponds to "letter" size, and "B-size" corresponds to "ledger" or "tabloid" size. There were also once British paper sizes, which went by names rather than alphanumeric designations. American Society of Mechanical Engineers (ASME) ANSI/ASME Y14.1, Y14.2, Y14.3, and Y14.5 are commonly referenced standards in the U.S. Technical lettering is the process of forming letters, numerals, and other characters in technical drawing. It is used to describe, or provide detailed specifications for an object. With the goals of legibility and uniformity, styles are standardized and
Chicago Ledger Chicago Ledger The "Chicago Ledger" was a story paper published in Chicago, Illinois from 1872 until 1924. Put out by the Ledger Company and edited by Samuel H. Williams, the "Ledger" was a boilerplate literary magazine. Such periodicals were printed using engraved steel sheets. The plates, or casts of them, were then sent out to be printed and inserted into other newspapers. "Ledger" subscriptions originally sold for $1 for 52 issues and, by 1879, the paper had a circulation of 10,000. Although begun as a literary paper of "a good class," the "Ledger" eventually became more melodramatic in tone. In