Contract 7 
subject to the provisions herein contained, and the rules and 
regulations herein prescribed, during the continuance of the 
term granted, or until a surrender thereof, as herein provided. 
Fourthly.—That the exhibition halls of said building shall, 
on Wednesday, Thursday, Friday and Saturday of each week, 
and on all legal or public holidays, except Sundays, be kept 
open and accessible to the public, free of charge, from nine 
o’clock a.m. until half an hour before sunset, under such rules 
and regulations as the party of the second part shall from time 
to time prescribe; but on the remaining days of the week the 
same shall be only open for exhibition to such persons, upon 
such terms as the said party of the second part shall from time 
to time direct. But all professors and teachers of the public 
schools of the City of New York, or other institutions of 
learning in said city, in which instruction is given free of 
charge, shall be admitted to all the advantages afforded by the 
said party of the second part, through its museum, library, 
apparatus, and collections, or otherwise, for study, research 
and investigation, free of any charge therefor, and to the same 
extent and on the same terms and conditions as any other 
persons are admitted to such advantages, as aforesaid. 
Fifthly.—That the museum, library and collections, and all 
other property of said party of the second part, which shall or 
may be placed in said building, shall continue to be and 
remain absolutely the property of said party of the second part, 
and neither the said party of the first part nor the said the 
Mayor, Aldermen and Commonalty, shall by reason of said 
property being placed in said building, or continuing therein, 
have any right, title, property or interest therein; nor shall the 
said party of the second part, by reason of its occupation and 
use of said building under this agreement, acquire, or be deemed 
to have any right, title, property or interest in said building, 
except so far as expressly granted by this agreement. 
Sixthly.—That the said party of the second part shall, on or 
before the first day of May, in every year, during the con- 
tinuance of this agreement, submit to the said party of the first 
part, its successor or successors, a detailed printed report of the 
