Reference numberMS/119/2/113
TitleLetter from Samuel Owen Edgar Ludlow, Madras [Chennai] to Humphrey Lloyd, [Caernarfon, North Wales]
Date10 June 1842
DescriptionLudlow informs Lloyd that Mr [Thomas] Grubb has not yet sent him the diameters for the wheels that Lloyd had sent him. As Ludlow has micrometrical apparatus, he cannot account for the accuracy of his measurements.

Discussion on the horizontal force and vertical force magnets. Ludlow is pleased with the description of the changes to the vertical force magnet and asks Lloyd if he could inform him of a maker as he would like to get one.

Ludlow discusses intentions to continue term day observations.
Physical descriptionInk on paper.

The letter has a hole where the wax seal has been broken.
Access statusOpen
Fellows associated with this archive
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