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Handbook of the exhibition of Napier relics and of books, instruments, and devices for facilitating calculation / edited by E.M. Horsburgh.

A guide to the archives and manuscripts of the Royal Society / Keith Moore ; with additions by Mary Sampson.

An account of The Royal Society's Newton Telescope / A.R. Hall and A.D.C. Simpson.

On the declinations of some of the principal fixed stars, with a description of an astronomical circle, and some remarks on the construction of circular instruments / by John Pond ; communicated by Smithson Tennant.

An account of the trigonometrical operation : wherby the distance between the meridians of the observatories of Greenwich and Paris has been determined / by William Roy.

The Bakerian Lecture : on certain motions produced in fluid conductors when transmitting the electric current / by J.F.W. Herschel.

Description of a piece of mechanism contrived by James Ferguson : for exhibiting the time, duration, and quantity, of solar eclipses, in all places of the earth / by James Ferguson.

Description of a piece of mechanism contrived by James Ferguson, for exhibiting the time, duration, and quantity, of solar eclipses, in all places of the earth / by James Ferguson.

Description of a simple micrometer for measuring small angles with the telescope / by Mr. Tiberius Cavallo.

On the spectrum of comet 1, 1866 / by William Huggins.

Letters relating to a theorem of Mr. Euler, of the Royal Academy of Sciences at Berlin ... : for correcting the aberrations in the object-glasses of refracting telescopes.

On the performance of fluid refracting telescopes : and on the applicability of this principle of construction to very large instruments / by Peter Barlow ; read December 9, 1830.

Further observations on the spectra of some of the stars and nebulae with an attempt to determine therefrom whether these bodies are moving towards or from the earth ...

On a method of examining the divisions of astronomical instruments ... : in a letter to the Rev. Dr. Maskelyne / by the Rev. William Lax.

A letter from Mr. James Short, F.R.S., to the right honourable the Earl of Macclesfield, President, concerning a paper of the late Servington Saver, Esq., relating to his invention of a new micrometer.