Dash Insert drop-down menu. Dash The dash is a punctuation mark that is similar in appearance to and , but differs from these symbols in both length and height. The most common versions of the dash are the en dash (–), equal to half the height of the font; the em dash (—), twice as long as the en dash; and the horizontal bar (―), whose length varies across typefaces. Historically, the names of en dash and em dash were loosely related to the width of a lower-case "n" and upper-case "M", respectively, in commonly used typefaces. Usage varies both within
Rule Wynn and Rule the Canadian Architectural Archives in Calgary. Rule Wynn and Rule Rule Wynn and Rule was an Albertan architectural firm that had offices in Calgary and Edmonton. The firm is noted for its prominent role in bringing modern architecture to Alberta. Founded by John Ulric Rule (1904-1978) and Gordon K. Wynn (1910-1994) in Edmonton in 1938, they were joined a year later by Rule's brother, Peter Leitch Rule (1913-1964). The initial partnership came about as neither Rule nor Wynn could find work. All three partners were graduates of the school of architecture at the University of Alberta. During World War II