Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 83
that can be exercised by common gunpowder. Beside this, the strength of mate-rials of which guns are made is limited. Practical experience has fully demonstrated thatthe largest piece of ordnance which can be cast perfect, sound, and free from flaws, is amortar 13 inches diameter; and even this… … Until quite recently, the muskets placed in the hands of soldiers were usu-ally aimed so that the line of sight was parallel to the barrel, and directed tothe object, as in Fig 49. So long as the range of the musket was of limitedextent, and great precision was not expected, the deviation of the…
Physics · Science · Technology
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
