Record

RefNoMA/348/19
Previous numbersMA.348
LevelItem
TitleNotebook of magnetic intensity observations made at Colaba Observatory [?], Bombay [Mumbai], India, by [Arthur Bedford Orlebar]
CreatorOrlebar; Arthur Bedford (1810-1866); British mathematician and inspector of schools
Date1 January-2 February 1846
DescriptionDaily readings of vibrations and deflections using a [bar?] magnetometer, designated 'A51'. Columns for number of vibrations, time, difference, difference of 50 vibrations, bifilar, and torion in an upper table, designated 'vibrations'; columns for deflection, reading, mean and difference, bifilar and torsion in a lower table, designated 'deflections'. With a monthly summary of results for January [p.30].

The notes are paper bound, the front cover inscribed: 'Mahabaleshwar January 1846' . Each sheet is headed 'Observations for Intensity'. There is a small pencil sketch of a graded jar on the end inside cover.
Extent30p.
FormatManuscript
Printed
PhysicalDescriptionInk and pencil on paper
Dimensions210x175mm.
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