The Measurement of Differences Between Variable Quantities

This early work by Franz Boas was originally published in 1906 and we are now republishing it with a brand new introductory biography. The Measurement of Differences Between Variable Quantities is a treatise on the statistical treatment of biological and psychological measurements. Franz Boas was born on July 9th 1958, in Minden, Westphalia. Even though Boas had a passion the natural sciences, he enrolled at the University at Kiel as an undergraduate in Physics. Boas completed his degree with a dissertation on the optical properties of water, before continuing his studies and receiving his doctorate in 1881. Boas became a professor of Anthropology at Columbia University in 1899 and founded the first Ph.D program in anthropology in America. He was also a leading figure in the creation of the American Anthropological Association (AAA). Franz Boas had a long career and a great impact on many areas of study. He died on 21st December 1942.

Alan S. Morris, Reza Langari, in Measurement and Instrumentation (Second Edition), 2016. Barometers. The most commonly used device type of barometer for calibration duties is the Fortin barometer. This is a highly accurate instrument which provides measurement inaccuracy levels of between ±0.03% of full-scale reading and ±0.001% of full-scale reading depending on …