To practising librarians and information scientists the Patent Office Library needs no introduction. Nor, of course, do I yet claim more competence than the next to give its history, offer its credentials, and expound its motives. It seems, however, useful to begin by emphasizing three main...

The author, who is librarian‐designate of the National Reference Library of Science and Invention, gives an account of the work which has so far been done in preparing for the new library. Various improvements have been effected in the Patent Office Library, which is to form part of the NRLSI....