austic.

1838 June 2 Report of the Astronomer Royal to the
Board of Visitors.

1838 Dec. 14 A Catalogue of 726 Stars, deduced from R. Astr. Soc.
the Observations made at the Cambridge (Memoirs.)
Observatory, from 1828 to 1835; reduced
to January 1, 1830.

1839 Apr. 25 Account of Experiments on Iron-built Phil. Trans.
Ships, instituted for the purpose of
discovering a correction for the deviation
of the Compass produced by the iron of
the Ships.

1839 June 1 Report of the Astronomer Royal to the
Board of Visitors.

1839 Nov. 8 On the Determination of the Orbits of R. Astr. Soc.
Comets, from Observations. (Memoirs.)

1839 Article "Gravitation." Penny Cyclop.

1839 Article "Greenwich Observatory." Penny Cyclop.

1840 Mar. 2 On a New Construction of the Camb. Phil. Soc.
Going-Fusee.

1840 Mar. 13 On the Regulator of the Clock-work for R. Astr. Soc.
effecting uniform Movement of
Equatoreals.

1840 May 15 On the Correction of the Compass in Un. Serv. Journ.
Iron-built Ships. (Proc.)

1840 Results of Experiments on the Disturbance J. Weale.
of the Compass in Iron-built Ships.

1840 June 6 Report of the Astronomer Royal to the
Board of Visitors.

1840 June 18 On the Theoretical Explanation of an Phil. Trans.
apparent new Polarity in Light.

1840 Nov. 19 Supplement to the above Paper. Phil. Trans.

1840 Dec. 4 On the Diffraction of an Annular Aperture. Phil. Mag.

1840 Dec. 9 Remarks on Professor Challis's Investigation Phil. Mag.
of the Motion of a Small Sphere
vibrating in a Resisting Medium.

1841 Jan. 20 Correction to the above Paper "On the Phil. Mag.
Diffraction," &c.

1841 Mar. 22 Remarks on Professor Challis's Reply to Phil. Mag.
Mr Airy's Objections to the Investigation
of the Resistance of the Atmosphere
to an Oscillating Sphere.

1841 June 5 Report of the Astronomer Royal to