74 CENTENNIAL EXHIBITION. 



ment in the industrial and economical arts from the beginning of the 

 Patent-Office system to the present day, as also a complete set of publi- 

 cations of the office. 



In connection with this display were arrangements for illustrating 

 the actual methods by which patents are issued in the United States, 

 from the first application for the purpose to its entire completion. In 

 the Patent-Office section were also shown a variety of historical relics, 

 including articles of clothing once owned by Washington, as well as his 

 camp furniture and equipage. 



1. The General Land-Office exhibited its series of maps, especially one 

 of very large size, constructed expressly for the purpose, and showing 

 the present condition of the land-office system over the whole United 

 States. 



5. The Indian Bureau. — This display, which was made in co-operation 

 with the Smithsonian Institution, contained illustrations of the aborigi- 

 nal inhabitants of the United States, both ancient and modern ; speci- 

 mens of their stone implements and pottery ; their weapons and domes- 

 tic utensils ; their ornaments and articles of religious observance, &c. 



G. Pension Office. 



7. Geological Surveys of the Territories. — Here were exhibited models 

 in relief of areas of the western country, and of ancient ruins, trans- 

 parent and other photographs of scenery, antiquities, and Indians, 

 books, maps, charts, &c. 



F. — Department of Agriculture. 



1. Chemical section. — In this were shown the soils, rocks, marls, fertil- 

 izers, agricultural products and their derivatives, samples of food, such 

 as flour, sugar, &c, products of dry distillation of wood, preparations 

 of oils, &c. 



2. Natural-history section.— This exhibited birds, insects, and other 

 animals injurious or beneficial to the farmer, and included a series of 

 300 engraved plates to illustrate a work on the economical entomology 

 of the United States; also models of # different fruits and vegetables, 

 and sections of 400 species of North American woods, with their leaves 

 and fruits, as werl as a series of vegetable fibers, with their applications. 



3. Statistical section. — In this were shown charts and maps of the 

 farm-lands, the distribution of forests, and the regions suitable for the 

 cultivation of various staples. There were also many engravings of 

 agricultural colleges, &c. 



G. — The Smithsonian Institution. 



This illustrated, first, the operations of the Institution itself; second, 

 that of the National Museum of the United States under its charge. 



1. The Smithsonian Institution. — This display contained a full series 

 of all the publications of the Institution and charts illustrating its system 

 of international exchanges, with a set of large charts, showing the mean 

 temperature and the rain-fall in the United States. 



