OFFICIAL CATALOGUE. 
24 
GROUP XVIII. 
Civil Engineering, Public Works, and Architecxure. 
Preliminary A rrangement. 
Building materials; processes and apparatus for 
quarrying, brickmaking; iron girder work; pre- 
paration and preservation of wood ; artificial stone, 
terra-cotta work, &c. 
Materials and appliances for foundations (pile-drivers, 
screw-pües, coffer-dams, 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 raihvays 
(road rollers; railway superstructure, switches, 
crossings, tum-tables, traversing-tables, inclined 
planes, lifts; pneumatic and other modes of pro- 
pelling; water stations and their apparatus, railway 
Station buildings of all kinds, and Systems of 
railway Signals). 
Hydraulic engin eering 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, labourers’ 
cottages ; apparatus for lifting and moving heavy 
weights in buildings, as lifts, &c.; plans and models 
of cheap dwelling-houses ; tools and implements 
of artisan builders. 
Apparatus and inventions for health, comfort, and 
convenience in buildings (for lighting, water sup- 
ply, drainage, waterclosets, lightning conductors, 
&t c.) 
Agricultural engineering; plans for culture, fencing, 
draining; farm buildings; buildings for cattle 
breeding ; Stores, stables, manüre tanks, &c. 
Industrial buildings; spinning mills, weaving mills. 
grinding mills ; distilleries, breweries, sugar manu- 
factories ; warehouses, sawmills and docks, &c. 
Sections for the furios. 
ist Section. Abovc ground Building, 
and Section. Hydraulic Architecture. 
3rd Section. Making of Roads and Conslruction 
Raihvays. 
GROUP XIX. 
The Private Dwelling House, its inner Arrangement and Decoration. 
Preliminary Arrangement. Sectiom for the Juries. 
Models, drawings, and finished buildings representing The Private Dwelling House. 
dwelling-houses of civilized nations. 
Drawings, models, and examples of thoroughly fur- 
nished apartments. 
GROUP XX. 
The Farm House, its Arrangements, Furniture, and Utensils. 
Preliminary Arrangement. Sectionsfor the Juries. 
Finished buildings, models, and drawings of farm- The Farm House, 
houses of the different nations of the world. 
Drawings, models, and examples of peasant rooms, 
fumished and fitted out with their furniture and 
appaiatus.