BSP consists of. two types of threads - BSPT (British Standard Pipe Taper) and BSPP (British Standard Pipe. Parallel). BSPT threads have a slight taper similar to NPT. BSPP threads are straight (parallel) threads. and have the same thread angle, shape and threads per inch (pitch) as BSPT threads.
The movie the Exorcist was based on a book of the same name by William Peter Blatty. The book is based on the real-life attempt of a priest to exorcise a demon from a young boâ¦y (the boy was around the same age Reagan was in the movie).
The REAL Exorcism that inspired the classic film: Jesuit scholars gather in St Louis to remember case of boy 'possessed' by devil in 1949. 1  St Louis hospital spent a month trying to purge the demon from a child. 2  Jesuit scholars told the story of the month-long exorcism that saved him.