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
Henry N. Butler Environmental Policy" (with Jonathan R. Macey; 1996, American Entreprise Institute). Butler serves on the Legal Advisory Council of the AEI Legal Center for the Public Interest and the Advisory Board of the Atlantic Legal Foundation. Henry N. Butler Henry N. Butler (born February 16, 1954) is an American professor of law, economics, and public policy, the former executive director of the Law & Economics Center at the Antonin Scalia Law School in Arlington, Virginia. On April 22, 2015, Daniel D. Polsby sent an email to alumni announcing that Butler would be replacing Polsby as dean of the law school, effective