8 



The night key and Chubb key are 

 to remain in charge of the Messenger 

 or the Clerk of the Works in attend- 

 ance according to the rota. 



In case of any sudden emergency, 

 and not otherwise, the porters and 

 policemen may break the seals of the 

 envelopes and take the master house- 

 keys out of the box in the lodge ; 

 but an immediate report must be 

 made to the Principal Librarian of 

 what has been done, whether by day 

 or by night. 



UNLOCKING AND LOCKING-UP. 



The Messenger or the Assistant 

 Messenger is to unlock the doors 

 throughout the Museum in the morn- 

 ing, and to report to the Principal 

 Librarian if he find any door not 

 properly locked_, or any other irre- 

 gularity affecting the security of the 

 Museum. 



All the external and other doors 

 which give admission into the Museum 

 are to be locked with the night and 

 Chubb keys within one hour from the 

 closing of the Museum in the after- 



