The Draper Catalogue of Stellar Spectra - photograhed with the 8-inch Bache telescope as a part
of the Henry Draper memorial is an unchanged high-quality reprint of the original edition of
1890. Hansebooks is editor of the literature on different topic areas such as research and
science travel and expeditions cooking and nutrition medicine and other genres. As a
publisher we focus on the preservation of historical literature. Many works of historical
writers and scientists are available today as antiques only. Hansebooks newly publishes these
books and contributes to the preservation of literature which has become rare and historical
knowledge for the future.