Map modeling in geography
Subtitle: including the use of sand, clay putty, paper pulp, plaster of Paris, and other materials, also chalk modeling in its adaptation to purposes of illustration : fully illustrated
By: by Albert Elias Maltby.
Publisher: E.L. Kellogg & Co.
Published: 1894
Place of publication: New York
Language: eng
Number of pages: 223
Subjects: Block diagrams