Continuous, Revolving Drawbridges

The Two Books on the Water Supply of the City of Rome of Sextus Julius Frontinus : Water Commissioner of the City of Rome A.D. 97

Measuring Water

Venturi Meter

Measuring Water; an Address to the Students

Frontinus and His Ii Books on the Water Supply of the City of Rome A. D. 97

Stratagems, and the Aqueducts of Rome, with an English Translation

Venturi Water Meter

Measuring Water, an Address to the Students, Rensselaer Polytechnic

Continuous, Revolving Drawbridges - the Principles of Their Construction and the Calculation of the Strains in Them - with More Especial Reference To