You can determine pipe size byusing the sizing guides at the bottom of this page (a sizing chartis shownatthetopofeachpipeandpipefittingpage).However,forthemost accurate sizing, use a sizing gauge or kit (sold separately at right).Most straight (parallel) threads are measured the same way astapered threads.
The first Head of Ravenclaw House was the famous co-founder of Hogwarts, Rowena Ravenclaw, and the only other known Head of House was Filius Flitwick. As no Ravenclaw students are known to have returned to Hogwarts to teach, it is unknown who the next Head of House will be. 1  Rowena Ravenclaw - One of the four Hogwarts founders and founder of the Ravenclaw House.  Filius Flitwick - Head of Ravenclaw during Harry Potter's time at Hogwarts.
Only one who has the right medicine can recognize a Raven Mocker, and if such a man stays in the room with the sick person these witches are afraid to come in, and retreat as soon as they see him, because when one of them is recognized in his right shape he must die within seven days.hen the Raven Mocker comes to the house he finds others of his kind waiting there, and unless there is a doctor on guard who knows bow to drive them away they go inside, all invisible, and frighten and torment the sick man until they kill him.