Galvanometer fur absolutes magnetisches Maass. Hiezu 2 Tafeln.
Munchen: Druck von C. R. Schurich, 1872. Pamphlet. Very good minus pamphlet w/some soiling to outer pages, no wrappers. 17 pp. of German text + 3 fold-out plates. In wraps. Science. SCI/10153. Very Good -. More