Record

RefNoMA/159/3
Previous numbersMA.159
LevelItem
TitleMagnetic variation observations at Barrack Square [Georgetown], Ascension Island, [South Atlantic Ocean], by Henry Foster and others
Date27 February-27 March 1830
DescriptionDaily magnetic observations, in three columns, recording hourly position of the north end of the dip needle [degrees, minutes, seconds] at appointed observation times, with temperature in Fahrenheit.

With a title page: 'Horary Variation of the Magnetic Needle Barrack Square Ascension. 1830'.

Each page is headed: 'Increasing Readings denote North end going to the Eastward. Observations on the Diurnal Changes of a Magnetic Needle at Ascension'.
Extent10p: pp.51-60
FormatManuscript
PhysicalDescriptionOn paper.
AccessStatusOpen
Add to My Items

    Collection highlights

    Browse the records of some of our collections, which cover all branches of science and date from the 12th century onwards. These include the published works of Fellows of the Royal Society, personal papers of eminent scientists, letters and manuscripts sent to the Society or presented at meetings, and administrative records documenting the Society's activities since our foundation in 1660.

    The Royal Society

    The Royal Society is a Fellowship of many of
    the world's most eminent scientists and is the
    oldest scientific academy in continuous existence.
    Registered charity number 207043

    Website design ©CalmView



    CONTACT US

    + 44 207 451 2500
    (Lines open Mon-Fri, 9:00-17:00. Excludes bank holidays)

    6-9 Carlton House Terrace, London SW1Y 5AG

    Email Us →

    SUBSCRIBE

    Subscribe to our newsletters to be updated with the
    latest news on innovation, events, articles and reports.

    Subscribe →

    © CalmView