Credit: ©The Royal Society
    Image number: RS.15661

    Glass cane

    Date
    2 February 1663
    Creator
    Unknown, Artist
    Object type
    Archive reference number
    Manuscript page number
    p3
    Material
    Dimensions
    height (page): 188mm
    width (page): 148mm
    Subject
    Content object
    Description
    In his letter (EL/H1/18) to Robert Moray dated 2 February 1663 (N.S.), Christian Huygens described a quicksilver experiment using a two-foot-long glass cane, whose actual diameter he recorded in the margin (diameter 8 mm). In an extract of the letter, translated here by Henry Oldenburg, the circle is reproduced in the same size (8 mm). The image of Huygens's improved design of the air pump was not included here, most likely because an enlarged copy (Cl.P/4i/23/001) had been ordered alongside the translation on 28 January 1663. The letter was read at the meeting of the Royal Society on 4 February 1663.

    There are other copies of this image at LBO/1/077 and LBC/1/094.
    Object history
    At the meeting of the Royal Society on 28 January 1663, ‘Sir Robert Moray having mentioned his having received a letter from Monsieur Huygens, it was ordered, that an English translation of it be made against the next meeting, and that the scheme contained in it be drawn in great’ (Birch 1:192).

    On 4 February 1663, ‘Monsieur Huygens’s letter to Sir Robert Moray, dated from the Hague, February 2, 1662/3, was read; and the experiments mentioned therein, viz. that of the quicksilver sticking to the finger, and that of the not subsiding of water purged from air, were recommended to be made again; the former to Dr. Goddard, in a cane of a less bore than formerly; the latter to Mr. Hooke’ (Birch 1:193).
    Related fellows
    Christiaan Huygens (1629 - 2006, Dutch) , Natural philosopher
    Robert Moray (1608 - 1673, British) , Natural philosopher
    Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
    Associated place
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