A diary of work performed on the 'Nautical Almanac' and arrangements for its compilation and publication.

A manuscript comprising Computus Ecclesiasticus, Introductio ad Geographiam, Tractatus de Sphoera, Epitome Astronomia, and Astrolabium sev. Plani-Sphaerium.

Miscellaneous draft letters.

Contains notes and extracts on philosophy, astronomy, natural history and medicine. fo. 2: 'Edmundus Lëus 1607'.

The collection is comprised of biographical papers, wartime and post-war research files (including research papers relating to work on Meniscus Schmidt and related optical systems), papers concerning work for consultancies on the design of optical systems for commercial and other organisations, and drafts and related correspondence regarding publications, lectures and conferences.

The collection primarily consists of the Maunders' published works both on their research and explanatory works on astronomy for a more popular audience. Some of these publications bear annotations. There are also some notes on a variety of subjects, a pin-hole camera, a planisphere and some items of correspondence. There is supporting material in the form of obituaries, letters of condolence and subsequent published works on the Maunders and their work.

'To clear the distance of the Moon from a star from the effects of refraction and parallax', February 1766. The envelope includes copies of reports made to the Board of Longitude by John Howe, undated, and M. Raper of Thorley Hall, 9 July 1765, on the method of Israel Lyons and George Witchell for correcting observed distances. There are also a number of tables on the Sun's parallax.

Contains material relating to family history (MS Add. 10214/1) and letters (MS Add. 10214/2) including:
hints for an excursion letter to Monsieur Verrier, 1864; letters to Professor Sedgwick, 1846-1847; letters to daugther and son-in-law, Mr and Mrs Routh 1866-1884; notes written by Hilda Routh 1898; postcard to S.W. Coles 1940.

As a young researcher in Astronomy at the University of Cambridge, Craig Mackay was tasked with trying to observe the optical counterparts to detected radio pulses from space.

Directions on how to play an astronomical game for children called Zodiac, for the most part in verse, 19 folios. A letter is pasted to fo. 19 to an undesignated addressee from J. Wallis [publisher], Strand, 16 April 1808. On fo. 1 is the title 'The Zodiac', beneath which in another hand is written the date 1804. The correct date is not earlier than 1809, as is shown by the watermark. Inside the front cover appear the bookplate and signature of D.W. Smith.

The Portsmouth Collection is the principal collection of Isaac Newton's scientific and mathematical papers, including early drafts of the Principia, and his correspondence with Oldenburg, Halley Flamsteed and many of the other most prominent scientists of his day.

A fair copy of a Catalogue of Stars Visible on the Horizon of Calcutta, drawn up by J. W. F. Herschel to accompany the ten feet reflecting telescope sent to his relations including medical doctor, Duncan Stewart, eldest brother of Lady Margaret Herschel, employed by the East India Company, 1825-1855.

An incomplete series of ING Technical Notes.

20 volumes of typed or photocopied texts bound with green covers, with 14 duplicate copies. The following abbreviations are used in the titles: ISIS: Intermediate Dispersion Spectroscopic Imaging System; LDSS: Low Dispersion Survey Spectrograph; WHT: William Herschel Telescope; INT: Isaac Newton Telescope; MPF: Multi Purpose Fotometer; ADAM: Astronomical Data Acquisition Monitor; and CCD: Charge-coupled device.

Notes by John Parnther of Peterhouse College on a series of lectures given at Cambridge University. Lectures by N. Saunderson and Robert Smith on hydrostatics, sounds, optics, mechanics, astronomy, the tides, technical chronology, dioptrica and catoptrica.

The festschrift is 'Vistas in Astronomy' edited by Arthur Beer of Cambridge Observatories.

This journal is fully indexed. It contains Franklin-Adam’s work and memoranda from June 1897 to 23 June 1906. Readings and observational data form the main content. It also includes detailed accounts of adjustments and corrections to the Equatorial Telescope, Transit Circle, Azimuth, Cape Town Instruments, chronometers and clocks. A preface describes his observatory and instruments.

This series comprises four folders of letters sent by Lady Clive to her brother Nevil Maskelyne, her niece Margaret Maskelyne, and to other family members. The letters span 55 years, from 1762 until Lady Clive's death on 28 Dec. 1817. Many mention astronomy, including sightings of the great comet of 1811.
The series also includes a set of copies of family letters (including some written by Nevil Maskelyne), and notes by Theresa Story-Maskelyne on the letters of Lady Clive.

The letter accompanied a copy of Newton's 'Principia'. It explains the nature of the work, and especially the theory of tides. It begins 'May it please, &c. I could not have presumed ...', and concludes 'I doubt not but if your Majestie shall please to suffer me to be admitted to the honour of your presence I may be able to give such an account thereof as may be to your Majesties full content. I am, &c., Edmond Halley'.

Concerning calculations of the time of the lunar eclipse of 3 April [AD] 33 [and its identification as eclipse recorded as occurring on the day of the crucifixion of Jesus Christ].