The many applications of flow measurement include uses in water supply, medical research, oil exploration, food processing and distribution of gas. The uses of this technology are very diverse, with ...

IN this book the author has aimed at giving the rudiments of time measurement to readers possessing no previous knowledge of the subject. The first forty pages deal with the nature of time measurement ...

The pupillary distance (PD) measurement is a requirement for people who want to purchase eyeglasses. Here, find out how to measure your PD using a mirror and a ruler. Share on Pinterest Some eyewear ...