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.
Pembina Triangle is a trap-shooting club (no rifle or hand gun ranges). Shooting season runs from May to mid-October. Shooting nights are Thursdays 7:00pm and Sundays 1:30pm. The Junior Program runs Tuesday nights at 6:30pm (starting each year in May, weather permitting). Juniors may also shoot on Thursdays and Sundays.