43967
Accession Number
17050
Title Of Journal Book
Relay
Collation
6 p., 1 figure
Reference Bibliography
List of relevant U.S. patents
Publisher
U.S. Patent Office
Literature Type
Monograph : Patent
Literature Level
Monographic
Patent Number
1272432
Patent Place
United States
Abstract
The invention is an improved telephone relay to transfer calls between a subscriber's telephone line and a high tension industrial circuit. Detailed descriptions and figures are of help in restoring or conserving a relay.
Keywords
relay manufacture
pub_id
43967
Patent Date
19180716