Page:Essays in librarianship and bibliography.djvu/116

 96 Speaking generally, it may be said that the catalogue is in type from A to the end of G, and from V to the end of the alphabet. This is nearly a third of the whole, and at the present rate of progress it seems reasonable to conclude that the printing may be completed in about twelve years. It should be hardly necessary to explain to the reader who may be familiar with the appearance of the catalogue in the Reading Room, that the ponderous folio he is accustomed to there presents little resemblance to the parts as issued to subscribers. Special copies of the latter, printed on one side of the paper only, are laid down for Reading Room use on considerably larger sheets of the strongest and toughest vellum paper procurable, and thus the quartos are converted into folios. The printed strip when pasted down occupies only the left side of the leaf, the blank portion opposite, as well as that above and below, being reserved for the additions continually accruing from the titles of new books received after the printing of the volume, which is further supplied with guards to allow of interleaving. It has been computed that each volume would contain 9000 titles, after which it must be divided, and that the Reading Room will accommodate 2000 volumes, providing room for eighteen millions of titles, or, at the present rate of cataloguing, for the accumulation of three centuries to come. In 1880, just before the