Invaluable Aid in the Constructive and Instructive Force of Every Library DEWEY INDEX ADOPTED IMPROVED EQUIPMENT RENEWAL ADAPTABILITY VALUE TO We have just completed the application of the Dewey Decimal System to Perfec-Stereographs. Through cataloging Perfec-Stereographs by the Dewey Method we have made them an ENCYCLOPÆDIA OF VISUAL REFERENCE for the librarian and educator. The Decimal classification numbers appear on each Stereograph for geographical and subject reference. Stereograph Cabinets are furnished free. Perfec-Stereographs geographically classified in the form of "White Travel Tours" or classified by subject reference are now furnished Libraries in our Improved Circulation Case. With its use Stereographs are as easily handled as books. This convenient and durable case containing one White Travel Tour (100 Perfec-Stereographs), one Sanitary Hood Library Stereoscope, complete to Libraries for $16.67, express prepaid. "White Travel Tours" are giving the utmost satisfaction wherever used, whether the collection be a beginning of one Tour only or a complete library of thousands of Stereographs. The Perfec-Stereographs, with their waterproof coating and other superior qualities, withstand a vast amount of wear and may be circulated freely with a lower renewal cost than that of books. Perfec-Stereographs as now supplied readily fit into the economy of every Library, large or small. Little space is required and no special departments or assistants are necessary. Hundreds of Libraries are securing most satisfactory results with "White Travel Tours," some having used them with growing success for eight years. The number of Libraries using these Tours doubled last year. If interested in what others are accomplishing through the use of Perfec-Stereographs fill out attached coupon. We gladly submit by prepaid express on approval any of our 36 Tours. H. C. WHITE CO. of New York Stereographs, Stereoscopes, Lantern Slides, Enlargements Suite 1202, 45 West 34th Street, New York H. C. WHITE CO. of New York, 45 West 34th St., New York, N. Y. Please send particulars in reference to the Perfec-Stereographs and their use in Libraries. Name of Library.. Name of Librarian... Address... L. |