Belt device makes endless-tread tractor of auto

Title (Dublin Core): Belt device makes endless-tread tractor of auto
Subject (Dublin Core): en Technology; en Transport
Article Title and/or Image Caption (Dublin Core): Belt device makes endless-tread tractor of auto
Language (Dublin Core): eng
Date Issued (Dublin Core): 1921-04
Is Part Of (Dublin Core): Popular Mechanics, v. 35, n. 4, 1921
pages (Bibliographic Ontology): 511
Rights (Dublin Core): public domain
Source (Dublin Core): google books
Archived by (Dublin Core): Marco Bortolami; Marco Bortolami (editor)