Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 315
nnected by wooden arches. There are still thirteenpiers visible out of the twenty. The length of this remarkablestructure is said to have been 3900 feet (Murrays Handbook), 300 Ralph Modjeski. [J. F. I. although other sources give this length as nearer 3000 feet. It isbelieved that the foundations… … Agamemnons Grave at Mycena. seems to have been a definite process of evolution and its differentstages are quite marked. No doubt the first idea of an arch cameto man from some natural rock formations of which there aremany throughout the world. One of the most remarkable in-stances, and where this…
Science · Technology · Meteorology · Patents
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.