Skip to main content

Papers on longitude and solar eclipses, 1849 - 1858

Reference Code: GBR/0180/RGO 6/113
Illustrated letter from Richarda Airy to her husband, George Biddell Airy
Illustrated letter from Richarda Airy to her husband, George Biddell Airy

Scope and Contents

Miscellaneous pieces on longitude and solar eclipses. The papers concerning longitude include pieces to ascertain the longitudes of Boston (by W.C. Bond), Durham, Cork and Haulbowline, the boundary between the U.S.A. and Mexico, and Batavia. The longitudes of Ipswich and Madras are also briefly mentioned. The material on eclipses include the eclipse of the Sun of 11 May 1724, with a contemporary illustration; a map of the world; the solar eclipse of 19 July 1748; the lunar eclipse of 28 July 1852 and a letter by R. Sheepshanks; eclipses in 1853 and 1858; and J.F.J. Schmidt's German treatise on solar eclipses and English instructions for observing them.

There is considerable correspondence by J. Nasmyth, Richarda Airy and C.P. Smyth on the methods employed and observations of solar flares, with a number of watercolour illustrations. Other topics include observations of rockets for Dr Hussey; comparisons of chronometers; and observations of the Moon and culminating stars at Cambridge, U.S.A., and Port Stephens, N.S.W., Australia.


  • Creation: 1849 - 1858


Conditions Governing Access

From the Management Group:

Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (


1 archive box(es) (1 box)

Language of Materials



Former / Other Reference


Existence and Location of Copies

An illustrated letter from this file (item RGO 6/113: 131-134) has been digitised on Cambridge Digital Library.

Finding aid date

2006-01-03 10:59:28+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom