An introduction to astronomy written with a historical perspective.

With over 300 entries from the ancient abacus to X-ray diffraction, as represented by a ca. 1900 photo of an X- ray machine as well as the latest research into filmless x- ray systems, this tour of the history of scientific instruments in multiple disciplines provides context and a bibliography for each entry. Newer conceptions of "instrument" include organisms widely used in research: e.g. the mouse, drosophila, and E. coli. Bandw photographs and diagrams showcase more traditional instruments from The Science Museum, London, and the Smithsonian's National Museum of American History. Annotation copyrighted by Book News, Inc., Portland, OR

This text focuses on the history of the development of hand-held celestial navigation instruments, offering descriptions of the tools used. It also includes a glossary of technical terms.

Runes and Their Secrets is a collection of articles written mainly in English by recognized scholars, examining a wide range of runological topics. The articles originated as papers read at an international runic symposium that was held in 2000. Jelling Runes embraces Danish runic inscriptions from the first to the sixteenth century, including such topics as the names of the runes, their chronology, literacy, runic coins, etc. There are also articles on the oldest runic research and runic magic. Several of the articles present brand new knowledge, for example about runic encryption of military and erotic secrets from the middle of the sixteenth century. (Formerly titled: Jelling Runes)