Polytechnic Association. (381 



significantly to hydraulic cement as the building material of the future. 

 For the use of students I present the following : 



List of "Works Published ox Hydraulic Cements and their Uses. 



Loriot. Memoire sur une decouverte clans Tart de batir. Paris, 

 1744. 



Belidor. Architection hydraulique. Paris, 1753. 



J. Smeaton. Narrative of the building and a description of the 

 Eddystone light-house, etc. London, 1791. 



Guyton Morveau. Recueil de divers memoirs sur les puzzolanes 

 naturelles and artificielles. Paris, 1S05. 



Fleuret. L'art de composer des pierres factices, etc. Paris, 1807. 



John Smeaton. Directions for preparing, making and using puz- 

 zolano mortar. London, 1812- 



Vicat. Recherches experimentales sur les chaux de constructions, 

 les betons et les chaux ordinaires. Paris, 1818. 



John. Ueber Kalk unci Mortel. Berlin, 1819. 



Rancour t de Charleville. Traite sur Tart de faire de bon mortiers. 



Rancourt de Charleville. Les mortiers. St. Petersburg, 1822. 



Treussart. Memoire sur les mortiers hydrauliques, et sur les mor- 

 tieres ordinaires. Paris, 1829. 



Ch. Berigny. Memoire sur un precede d'injection. Paris, 1S32. 



Yicat. A practical and scientific treatise on calcareous mortars and 

 cements, with additions. By Count I. T. Smith. London, 1837. 



D. II. Mahan. Elementary Course of Civil Engineering for the use 

 of the Cadets of the United States Military Academy. New York, 

 1838. 



Vicat. Resume sur les mortiers hydrauliques. Paris, 1840. 



Poirel. Memoires sur les travaux a la mer. 1841. 



Pasley. Observations on limes, calcareous cements, mortars, stuccos 

 and concrete, and on puzzolana, natural and artificial; together with 

 rules deduced from numerous experiments for making an artificial 

 cement equal, in efficiency, to the best natural cements of England. 

 London, 1847. Second, edition. 



C. Hartmann. Die Kalk-und Gyps-Brenncia, sowie die Mortel-und 

 Stuck-Bereitung, nach ihrem neuesten Standpuiskte. Quedlinburg 

 und Leipzig, 1850. 



Henschel. Gesammelte Erfahrungen iiber die Verarbeitung und 

 Anwendung des Cements, aus der Cementfabrik von Ernst Koch in 

 Hessen-Cassel. Cassel, 1851. 



Toussaint. Encyclopedie-Roret. Nouveau manuel complet du 



