Reference numberMS/525/6/6/2/24
TitleLetter from Joseph Ernest Petavel, The University, Manchester, to Dugald Clerk, 57, 58 Lincoln's Inn Fields, London
Date11 March 1915
DescriptionExplains that there are four possible ways to carry out Petavel's idea: an ordinary tidal mine; an Artful Dodger mine with surface operated escape valve; the same with pressure operated valve; and an oscillating mine with depth control. He describes their advantages and disadvantages.
Access statusOpen
Fellows associated with this archive
NA8267Petavel; Sir; Joseph Ernest (1873 - 1936)1873 - 1936
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