Report of Magnetic Experiments tried on Board an Iron Steam-Vessel
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by order of the Right Honourable the Lords Commissioners of the Admiralty. accompanied by plans of the vessel, and tables showing the horizontal deflection of the magnetic needle at different positions on board, together with the dip and magnetic intensity observed at those positions, and compared with observations made on shore with the same instruments.
Addressed to Charles Wood, Esq., MP, and communicated by Captain Beaufort, RN, Hydrographer to the Admiralty
Johnson, Edward J.
London, Royal Society, 1836.
the experiments were conducted in the Shannon estuary on board the City of Dublin Steam Packet Company ship 'Garryowen' 22 page, plus one plate, paper extracted from the Philosophical Transactions of the Royal Society.
good clean condition loosely inserted into card covers.