Reference numberMS/119/1/120
TitleLetter from Humphrey Lloyd, Trinity College, Dublin to Edward Sabine
Date28 April 1848
DescriptionLloyd informs Sabine of his certainty that he would like the small needles for the dip when Sabine had tried them. Lloyd has made a comparison of probable errors with needles of different sizes. Lloyd discusses the difficulty that small needles have to balance. Lloyd discusses his reason for making observations with a needle whose poles are reversed.

Discussion on the distance of [deflection]. Lloyd notes that m is to be determined in the usual method of observing the horizontal intensity, and discusses proportionate error in the total force.
Physical descriptionInk on paper
Access statusOpen
Fellows associated with this archive
NA8279Sabine; Sir; Edward (1788 - 1883)1788 - 1883
NA8252Lloyd; Humphrey (1800 - 1881)1800 - 1881
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


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

    Subscribe →

    © CalmView