Record

RefNoMM/14/77
LevelItem
Title'Memorandum from the President and Council of the Royal Society to the Board of Trade on the subject of Iron Ships and their Compasses, by E Hopkins
Date18 May 1865
DescriptionThe memorandum discusses the issue of the deviation of compasses on board ships made from iron and on possible solutions to the problem ("the ships can be polarized and de-polarized at pleasure instantaneously").
Extent2 sides
FormatManuscript
AccessStatusOpen
Fellows associated with this archive
CodePersonNameDates
NA6316Hopkins; William (1793 - 1866)1793 - 1866
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