Reference numberEL/H2/18
TitleJohannes Hevelius, dated at Danzig (Gdansk), to Henry Oldenburg
CreatorHevelius; Johannes (1611-1687); astronomer
DescriptionStill believes that stellar distances cannot be determined using a small instrument even if it has 'telescopic sights'; proposes a challenge to Robert Hooke in relation to this problem; concerning the telescope which the Royal Society sent him; concerning the lenses of Titus Livius Burattini (1617-1683); concerning a certain friend's invention of a clockwork equatorial sundial
Read to the Royal Society on 17 December 1668

Postscript to letter has observations of the solar eclipse on 4 November at Danzig with table (figure for solar eclipse found at LBO/2/336)

On reverse is the account of the clockwork equatorial sundial with figure in margin

Read to the Royal Society on 7 January 1669
Extent8 sides
Place originGda?sk, Pomeranian Voivodeship, Poland
Origin coordinates54.35205, 18.64637
Access statusOpen
Related materialTranscribed and translated in 'The correspondence of Henry Oldenburg', ed and trans by A Rupert Hall & Marie Boas Hall, vol 5, p 181
URL descriptionAlso available on Early Modern Letters Online
Fellows associated with this archive
NA8253Hevelius; Johannes (1611 - 1687); astronomer1611 - 1687
NA8001Oldenburg; Henry (c1619 - 1677); scientific correspondentc1619 - 1677
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