AMERICAN DEPARTMENT. 
8- 
GrROUP XVIII. 
Civil Engineering, Public Works, and Architecture. 
Building Materials; Processes and Apparatus for Quarrying, Brickmaking; Iron Girder 
Work; Preparation and Preservation of Wood; Artificial Stone, Terra-cotta Work, 
&c.; Materials and Appliances for Foundations (Pile-drivers, Screw-piles, Cofferdams, Caissons, 
Pneumatic and Diving Apparatus). Contrivances and Tools for Earth-works (Excavators, 
Dredging Machines, Apparatus for Raising, Carrying, and Transporting Earth and Materials). 
Materials and apparatus used for Roads and Railways (Road Rollers; Railway Super- 
structure, Switches, Crossings, Turn-tables, Traversing-tables, Inclined Planes, Lifts; Pneumatic and 
other Modes of Propelling; Water Stations and their Apparatus, Railway Station Buildings of all 
kinds, and Systems of Railway Signals). Hydraulic Engineering Works, excluding Sea 
Works River Works, Canal Works, Dikes, Locks, Dams, &c.). Models and Plans of Viaducts, 
Bridges, and Aqueducts, &c. Plans, Models, and Drawings of Public Buildings, 
Dwelling-houses, Barracks, Penitentiaries, Prisons, and Hospitals, Schools and 
Theatres, Labourer’s Cottages ; Apparatus for Lifting and Moving Heavy Weights in 
Buildings, as Lifts, &c. ; Plans and Models of Cheap Dwelling-houses ; Tools and Im- 
plements of Artisan Builders. Apparatus and Inventions for Health, Comfort, and 
Convenience in Buildings (for Lighting, Water Supply, Drainage, Waterclosets, Lightning Con- 
ductors, &c.). Agricultural Engineering ; Plans for Culture, Fencing, Draining; Parm 
Buildings ; Buildings for Cattle Breeding ; Stores, Stables, Manurf, Tanks, &c. Indus 
trial Buildings ; Spinning Mills, WeavingMills, GrindingMills; Distilleries, Breweries, 
Sugar Manufactories ; Warehouses, Saw-Mills, and Docks, &c. 
596 J. ENTHOFFER, U. S. Coast 
Survey, Washington, Dütrict of 
Columbia. 
Tableau representing the Science and Art 
of Topographical Drawing, Plan show- 
ing the contemplated Improvements of 
the Public Reservations between the 
President’s Mansion and the Capitol. 
Zusammenstellung der Methode des topo 
graphischen Zeichnens, ferner ein Plan, 
welcher die in Aussicht genommene 
Anlage zwischen dem Hause des 
Präsidenten und dem Capitole zeigt. 
Tableau de la Science et de l’art du Dessin 
topographique, Plan indiquant les em- 
bellissements projetes sur les terrains 
publics reserves qui se trouvent entre 
la residence du President et le Capitole. 
597 THEODORE YOELCKERS, Bos 
ton, Massachusetts. 
Model and Patterns of Plates and Anchors 
for support of Floor-Timbers. 
Modell und Zeichnung von Platten und 
Ankern zur Unterstützung von Fuss 
bodenbalken. 
Modales et Echantillons deTöles et Ancres 
pour supporter les bois de parquet. 
598 UNION WOOD-PRESERVING 
CO., New-Orleans, Louisiana. 
Wood Prepared for Preservation. 
Holz zur Conservimng zugerichtet. 
Bois conserv6s. 
599 McGOWAN PUMP CO., Cincin 
nati, Ohio. 
Model of a Watering Column for Railroad 
Station. 
Modell eines Wasserthurms für Eisenbahn 
stationen. 
Modele d’un Alimentateur d’eau pour gares 
de chemins de fer. 
600 ALBERT FINK, Louisville, Ken 
tucky. 
Model of Fink’s Patent Deck-Suspension 
Truss Bridge ; Photographs oHhe Ohio 
River Bridge at Louisville, Kentucky, 
and views showing the manner of con- 
structing the same. 
Modell von Fink’s Patent - Deck- Seil - 
Hängebrücke; Photographien der 
Brücke über den Ohio bei Louisville, 
Kentucky und Ansichten, welche die 
Constructionsaat derselben erläutern, ^