Record

RefNoHF/1/3/2/23/5
Previous numbers98HF.36.9.5
LevelItem
TitleLetter from Howard Walter Florey to P Hartley, National Institute for Medical Research, Hampstead
Date19 November 1941
DescriptionSends details of formula for medium he is using for producing penicillin - believes Hartley is using steep liquor instead of yeast extract - can send yeast extract if needed - suggests addition of B prodigiosus as test organism - incubate large quantities of the fluid - small samples give deceptive results.
Extent2pp
FormatCarbon copy
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