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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