The Manual of the 'Offshore' Sounder.
n.a. — 19??
Author n.a.
Date 19??
Publisher The Ferrograph Company, London.
Location Maritime Museum
Geographic Not Geographical
Dewy 623.8938 FER
Main Technical
AcessNo 15251
Author n.a.
Date 19??
Publisher The Ferrograph Company, London.
Location Maritime Museum
Geographic Not Geographical
Dewy 623.8938 FER
Main Technical
AcessNo 15251