The American Card Catalog number for these cards is T87. The Poles developed the cyclometer and card catalog. Some still refer to the online catalog as a "card catalog". The problem was compiling the large card catalog. In simple language it is an electronic version of the card catalog. In 1876, a beginning was made on a public card catalog. In 1960, he was an associate editor of "The American Card Catalog". Chancellor toured a "home of the future" and tried out a computerized library card catalog. In 1868 he joined the Boston Athenaeum, making its card catalog an international model. It was around 1780 that the first card catalog appeared in Vienna. However, it does have a Catalog database that serves as a "card catalog" for metadata. The Poles therefore set about creating a "card catalog" of these cycle patterns. Some public computers are configured to access the library card catalog and other services only. The card catalog would be consulted to find the possible starting positions. There is a hand-written card catalog of the collection.