Roper's catechism for steam engineers and electricians .. is an unchanged high-quality reprint
of the original edition of 1899. 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.
