Scottish education in the nineteenth century world. His students founded practical chemistry at Aberdeen soon after. William Thomson, 1st Baron Kelvin was appointed to the chair of natural philosophy at Glasgow aged only 22. His work included the mathematical analysis of electricity and formulation of the first and second laws of thermodynamics. By 1870 Kelvin and Rankine made Glasgow the leading centre of science and engineering education and investigation in Britain. At Edinburgh, major figures included David Brewster (1781–1868), who made contributions to the science of optics and to the development of photography. Fleeming Jenkin (1833–85) was the first professor of engineering at the university and
19th-century turnpikes in Massachusetts 19th-century turnpikes in Massachusetts In the late 18th century and early 19th century, turnpikes, as opposed to ordinary roads of the same time, were roads where gates barred travelers from continuing and at which payments were demanded for the use of the road. The word "turnpike" itself comes from the fact that these gates, called "pikes," were "turned" once the toll was paid. The privilege of building and operating turnpikes was conferred by the state legislature to "turnpike corporations". Turnpikes were constructed using private capital, were privately owned, and were operated for revenue from toll collection. The turnpike era in