Patents.
Subject
Subject Source: Fast
Found in 1 Collection or Record:
British Patent Document Issued to John George Truscott Campbell for “Improvements In Propelling Vessels”
Collection
Identifier: MSS 0515
Abstract
British patent document issued to John George Truscott Campbell for "Improvements In Propelling Vessels." A round tin container houses the large double-sided yellow wax seal which is attached to the document by red cords.
Dates:
1841 June 17