40 WORLD'S COLUMBIAN EXPOSITION. 
20. Articles that are in any way dangerous or offensive, 
also patent nostrums and empirical preparations, whose ingre- 
dients are concealed, will not be admitted. 
21. The removal of goods on exhibition will not be per- 
mitted prior to the close of the Exhibition. 
Note.—Articles not on exhibition in competition may be sold 
under special permit. 
22. Sketches, drawings, photographs or other repro- 
ductions of articles exhibited will only be allowed upon the 
joint assent of the exhibitor and the Director-General; but 
views of portions of the building may be made upon the 
Director-General’s sanction. 
23. Immediately after the closing of the Exhibition, ex- 
hibitors shall remove their effects, and complete such removal 
before January 1, 1894; goods then remaining will be removed 
and sold for expenses, or otherwise disposed of under the 
direction of the World’s Columbian Exposition. 
24. Each person who becomes an exhibitor thereby ac- 
knowledges and agrees to be governed by the rules and regu- 
lations established for the government of the Exhibition. 
Special regulations wilt be issued concerning the exhibi- 
tion of fine arts, awards, the organization of the international 
juries, and sales of special articles within the buildings, and 
on other points not touched upon in these preliminary 
instructions. 
25. All communications concerning the Exhibition will 
be addressed to the ‘* Director-General, World’s Columbian 
Exposition, Chicago, Illinois, U. S. A.” 
The management reserves the right to explain or amend 
these regulations, whenever it may be deemed necessary for 
the interest of the Exhibition. 
GEORGE R. Davis, 
Director-Generail. 
WALKER FEarn, 
Chief Department of Foreign Affairs. 
