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).
What story is The Exorcist by William peter blatty based on? For the most part, the story was based on a story of a story and most of it was bogus. There was for a long time the strongly held belief that this was based on the real life â¦ exorcism of a boy from the Mount Rainier area of Maryland in or around 1949.