Rare Books
E. Hopkins's invention for an improved mode of correcting the deviation of compasses in iron ships, and of constructing ships' compasses and binnacles, so as to prevent deviation
Image not available
You might also be interested in
Image not available
Admiralty manual for ascertaining and applying the deviations of the compass caused by the iron in a ship
Rare Books
711621
Image not available
Reduction and discussion of the deviations of the compass observed on board of all the iron-built ships, and a selection of the wood-built steam-ships in Her Majesty's Navy, and the iron steam-ship 'Great Eastern'; : being a report to the Hydrographer of the Admiralty
Rare Books
718778