British Standard Whitworth (BSW) is one of a number of imperial unit based screw thread standards which use the same bolt heads and nut hexagonal sizes, the others being British Standard Fine thread (BSF) and British Standard Cycle. These three are collectively called Whitworth threads.
Read more about British Standard Whitworth: History, Comparison of Standards, Current Usage, Historical Misuse
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“Wearing overalls on weekdays, painting somebody else’s house to earn money? You’re working class. Wearing overalls at weekends, painting your own house to save money? You’re middle class.”
—Lawrence Sutton, British prizewinner in competition in Sunday Correspondent (London)
“As long as male behavior is taken to be the norm, there can be no serious questioning of male traits and behavior. A norm is by definition a standard for judging; it is not itself subject to judgment.”
—Myriam Miedzian, U.S. author. Boys Will Be Boys, ch. 1 (1991)