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Description: | Magnet (7 cm). Brass rod deflector with carrier in fitted wooden box.
MS note in box: "Deflecting magnet used for obtaining Scale Value of the Greenwich North Force Variometer 1915 - 25"
Reverse side of note: "The effective field of this magnet was 152g at 30 cms in 1939 March. or 64g at 40 cms H.M.W."
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | magnets | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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