Tőkés László: Az Akadémiai Könyvtár mikrokönyv gyűjteménye és fotolaboratóriuma (A MTAK kiadványai 27. Budapest, 1962)

5. ábra. Mikrofilm-másoló készülék. — Microfilm printer seum in London and the Polish National Library in Warsaw, moreover the microfilms prepared of the Leningrad manuscript of Bakhtin's Hungarian literary bibliography and of the Mongolian manuscripts at the Bibliothèque Nationale in Paris. While the Manuscript Department possesses only one Corvina Codex in the original, a total of 65 works have been acquired as microfilms, of the Corvináé at Vienna, Paris, Wolfenbüttel and Modena. The microfilms of the letters of Miklós Zrínyi, István Báthory, Ferenc Rákóczi, Zsigmond Móricz and others, and of the writings of János Apáczai Csere and Kelemen Mikes, are examples of a novel method of assembling the source material for scientific research. Although microfilms are a basis for reenlargement processes, in the case of the large-scale preparation and acquisition of microfilms they are not enlarged, but put to use with the help of microcopy reading apparatus. The micro-library reading room of the Academy's Library, equipped with various types of reading apparatus, is at the disposal of research workers. In 1957 266 readers read 981 works in the reading room of the micro-library, in 1960 the figures were 482 readers and 1048 works, in 1961, 518 readers and 1052 works. The photographic laboratory at the Library of the Hungarian Academy of Sciences has since 1959 — as the first library in Hungary to do so—prepared microfiche and microcard publications of library issues that are out of print, and of valuable manuscripts. Due? to its position within the Academy and in the country, it also fulfills special tasks apart from those that have been mentioned — during the past three years for instance, it has on 91 occasions given professional information and advice concerned with microcopying and photocopy equipment, the processes and methods of work, to institutes and libraries that have asked for this help. Another task, specific to the Academy, has been the collection of pictures and the negatives of photographs concerned with the Academy. The work and situation of the photoreproduction service has made it possible 11