History of universities in Scotland perhaps the first of their kind in the 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 had 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
19th-century turnpikes in Massachusetts Massachusetts began in 1796, when the first act of incorporation for a turnpike was passed. By 1850, most turnpike corporations had either been dissolved or had stopped collecting tolls. In all, 118 acts of incorporation were passed (ten of these were in the territory that later became the state of Maine). Typical toll rates were twenty-five cents for every coach with additional charges of four cents for every man and horse. The following 19th century turnpikes were chartered and built in Massachusetts: 19th-century turnpikes in Massachusetts In the late 18th century and early 19th century, turnpikes, as opposed to ordinary