This book references trompes–which it sometimes call a “pyramidal trough” or “conical trough”) and their history in the mountain regions such as the Alps. It also has some data and numbers that you might find useful.
- pg. 60 – Pyramidal Troughs (a type of trompe) and experiments conducted by Lespinasse
- pg. 407 – “Trompe” and “Canelle” used in the Alps
A Treatise on Hydraulics for the use of Engineers. Translated from the French, and adapted to the English units of measure, by Joseph Bennett
Jean François d’. AUBUISSON DE VOISINS, Joseph BENNETT (Civil Engineer.)
Boston, 1852 (copyright expired); 532 pages