Subject ASC0003swc
The geological magazine, or, Monthly journal of geology.
Decade 2:v.8 (1881), Page 21 (1881)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32519230
Keywords
diagram cutting plane tracing geometrical solution geometric problem hot to delineate upon a cuttin plane the trace of a cylindrical or any surface which can be formed out of a folded plane geometric diagramme delineate folded plane geology geometry