SYSTEM OF CLASSIFICATION. 27 
Rute 15. Articles that are in any way dangerous or offensive, 
also patent medicines, nostrums and empirical 
preparations whose ingredients are concealed 
will not be admitted to the Exposition. 
Rute 16. Exhibitors’ business cards and brief descriptive 
circulars,only,may be placed within such exhibi- 
tors’ space for distribution. The right is reserved 
: to restrict or discontinue this privilege when- 
ever it is carried to excess, or becomes an an- 
noyance to visitors. 
Rue 17. The Chief of each Department, with the approval 
of the Director-General, has the power to order 
the removal of any article he may consider dan- 
gerous, detrimental to, or incompatible with the 
object or decorum of the Exposition, or the com- 
* fort and safety of the public. 
Ru.e 18. Exhibitors will be held responsible for the clean- 
liness of their exhibits and the space surround- 
ing the same. All exhibits must be in complete 
order each day, at least thirty minutes before 
the hour of opening. No work of this character 
will be permitted during the hours the building 
is open to the public. In case of failure on the 
part of any exhibitor to observe this rule, the 
, Chief of the Department may adopt such means 
_to enforce the same as circumstances may sug- 
gest. 
Rute 19. 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 general views of portions 
” of the interiors of the buildings may be made on 
the approval of the Committee on Ways and 
Means. : 
Rute 20. Immediately after the close of the Exposition, ex- 
hibitors must remove their effects, and complete 
