from the book "THE PRINCIPLES OF MASONIC LAW"
A Treatise on the Constitutional Laws, Usages And Landmarks of Freemasonry
by Dr.Albert Gallatin Mackey, 1856
This is the last of the Grand Offices that was established, having been instituted on the 1st of May, in the year 1775. The duties are confined to the reading of prayers and other sacred portions of the ritual, in consecrations, dedications, funeral services, etc. The office confers no Masonic authority at all, except that of a seat and a vote in the Grand Lodge.