The effective cross sectional area of a thread when subjected to a tensile force. It is based upon a diameter which is the mean of the pitch (or effective) and the minor (or root) diameters of the thread. The use of this diameter stems from the work of E. M. Slaughter in the 1930's.
The Cocktail Hour. For other uses, see Cocktail hour (disambiguation). The Cocktail Hour is a comedy of manners by A. R. Gurney. It premiered in June 1988 in San Diego, California at the Old Globe Theatre and, on October 20, 1988, in New York City at the Off Broadway Promenade Theatre.
The hours that alcohol may be purchased or served, and other laws related to liquor consumption vary from state to state. It is a good idea to know the local drinking laws before you head out for a night on the town. Here is an overview of DC's Liquor Laws. Liquor can be served by a licensed business from 8 a.m. to 2 a.m. on Monday - Thursday, from 8 a.m. to 3 a.m. on Friday and Saturday and 10 a.m. â 2 a.m. on Sundays. The day before a federal holiday, alcohol may be served from 8 a.m. â 3 a.m. On January 1 (New Year's Eve), liquor may be served from 8 a.m. â 4 a.m.