Gun Drill

measured at location (1) is the static pressure. If the pressure sensor were moving with the fluid at the same velocity as the fluid, then the fluid would appear “static” to the sensor, hence the name. A common procedure to measure static pressure is to drill a hole in the duct, making sure that there are no imperfections in the hole such as burrs, so that the fluid moving in the duct is not disturbed. A pressure-measuring device such as a piezometer tube (a) is connected to the hole at…

late as it was in the year, seemed spent in boating or land pic-nics; all out-of-doors, pleasure-seeking and glad, Edith‟s life seemed like the deep vault of blue sky above her, free – utterly free from fleck or cloud. Her husband had to attend drill, and she, the most musical officer‟s wife there, had to copy the new and popular tunes out of the most recent English music, for the benefit of the bandmaster; those seemed their most severe and arduous duties. She expressed an…

betrayal of his trust. And thus we have when we go to the theater today, bursts of color, ruffles of lace and linen, waving lines and dazzling effects of light and motion -- but no ideas, a great many stage employees, but very few actors. There are drills and dances without end, but no drama. That is one influence on the American Theater that the Jew claims, and the credit for which can be given him in full. He has put in the iridescence, but he has taken out the profounder ideas. He has…