XII. That if any of the persons who have tickets, come after the hour marked in the said tickets, but before the three hours allotted them are expired; they be permitted to join the company appointed for the same hour, in order to see the remaining part of the collection, if they desire it. XIII. That a catalogue of the respective printed books, manuscripts, and other parts of the collection, distinguished by numbers, be deposited in some one room of each department, to which the same shall respectively belong, as soon as the same can be prepared. XIV. That written numbers, answering to those in the catalogues, be affixed both to the books, and other parts of the collection, as far as can conveniently be done. XV. That the coins and medals, except such as the standing Committee shall order, from time to time, to be placed in glass cases, be not exposed to view, but by leave of the Trustees, in a general meeting; or the standing Committee; or of the principal Librarian: that they be shewn between the hours of one and three in the afternoon by one of the officers, who have the custody of them: that no more than two persons be admitted into the room to see them at the same time, unless by particular leave of the principal Librarian; who in such case is required to attend together with the said officer, the whole time: and that but one thing be taken or continue out of the cabinets and drawers at a time, which is to be done by the officer, who shall replace it, before any person present goes out of the room. XVI. That the Museum be constantly shut up at all other times, but those above mentioned. XVII. That if any persons are desirous of visiting the Museum more than once, they may apply for tickets in the manner above mentioned, at any other times, and as often as they please: provided that no one person has tickets at the same time for more days than one. XVIII. That no children be admitted into the Museum. XIX. That no officer or servant shall take any fee or reward of any person whatsoever, for his attendance in the discharge of his duty, except in the cases hereafter mentioned, under the penalty of immediate dismission. _The manner of admitting persons who desire to make use of the Museum for study, or have occasion to consult it for information._ I. That no one be admitted to such use of the Museum for study, but by leave of the Trustees, in a general meeting, or the standing Committee; which leave is not to be granted for a longer term than half a year, without a fresh application. II. That a book be kept in the reading room, under the custody of the officer of the said room; who is to enter therein the names of the several persons who have leave of admission, together with the respective dates of the orders of the Trustees for that purpose, and the duration of the same.