Maps in relief made by a new device

Title (Dublin Core): Maps in relief made by a new device
Subject (Dublin Core): en Reconnaisance; en Other
Article Title and/or Image Caption (Dublin Core): Device Makes Sheet-Metal Maps in Relief
Language (Dublin Core): eng
Temporal Coverage (Dublin Core): World War II
Date Issued (Dublin Core): 1939-07
Is Part Of (Dublin Core): Popular Science Monthly, v. 135, n. 1, 1939
pages (Bibliographic Ontology): 85
Rights (Dublin Core): Public domain (Google digitized)
Source (Dublin Core): Google Books
References (Dublin Core): United States Coast and Geodetic Survey
Archived by (Dublin Core): Davide Donà; Marco Bortolami (editor)
Spatial Coverage (Dublin Core): United States of America