THIS book consists of a set of graduated exercises in graphical statics. The first seventy, about half the total number, are restricted to problems on the equi librium of three forces at a point, and ...

THIS work forms a valuable addition to the text-books on an important branch of mathematics, and, coming from a past student of Prof. Henrici, is especially welcome. Within the limits imposed by the ...

The development of a theoretical model to predict the four equilibrium forces of reaction on a simple ladder of non-adjustable length leaning against a wall has long remained an unresolved matter. The ...