Account of a Series of Observations, Made in the Summer of the Year 1825, for the Purpose of Determining the Difference of Meridians of the Royal Observatories of Greenwich and Paris
Observations of the Apparent Distances and Positions of 380 Double and Triple Stars, Made in the Years 1821, 1822, and 1823, and Compared with Those of Other Astronomers; Together with an Account of Such Changes as Appear to Have Taken Place in Them Since
On Gravimeters; with Special Reference to a Torsion Gravimeter, Designed by the Late J. Allan Broun, F.R.S
On the Aberrations of Compound Lenses and Object-Glasses
On the Action of the Rays of the Solar Spectrum on Vegetable Colours, and on Some New Photographic Processes