Simple device for lifting helpless invalids

Title (Dublin Core): Simple device for lifting helpless invalids
Subject (Dublin Core): en Technology; en Medical techniques and tools
Article Title and/or Image Caption (Dublin Core): Simple device for lifting helpless invalids
Language (Dublin Core): eng
Date Issued (Dublin Core): 1921-11
Is Part Of (Dublin Core): Popular Mechanics, v. 36, n. 4, 1921
pages (Bibliographic Ontology): 700
Rights (Dublin Core): public domain
Source (Dublin Core): google books
Archived by (Dublin Core): Marco Bortolami; Marco Bortolami (editor)