Photographs and Photocopies

3. The solar system (continued).

3/35. Seven drawings of planets.

3/36.1. Observations of a comet made with a view to investigate its magnitude and the nature of its illumination.

3/36.2. Calculations for a paper on the comet.

3/37.1. Observations of a comet, with remarks on the construction of its different parts.

3/37.2. Calculation for a paper on the comet of 1811.

3/38.1. Observations of a second comet, with remarks on its construction.

3/38.2. Calculation for the comet of 1812.

3/39. 'Particulars relating to the calculation of the Orbits of Comets.'

3/39.1. Figures for the observations of comets to be calculated by.

3/39.2. Pages of calculations and miscellaneous material relating to comets.

3/39.3. Diagrams related to cometary orbits.

3/39.4. A list of symbols, written in French, concerning data on cometary orbits.

4. 'The fixed stars and the construction of the heavens', divided broadly into general observations and catalogues, the nature of the stars, stellar parallax, double stars, the solar motion, the construction of the heavens, nebulae and clusters.

4/1. Observations of fixed stars extracted from the Journal (2/1).

4/1.1. Vol. 1: 7 March 1775 - 24 May 1781.

4/1.2. Vol. 2: 26 May 1781 - 5 April 1782.

4/1.3. Vol. 3: 5 April 1782 - 31 December 1782.

4/1.4. Vol. 4: 31 December 1782 - 30 June 1783.

4/1.5. Vol. 5: 30 June 1783 - 17 January 1784.

4/1.6. Vol. 6: 18 January 1784 - 13 April 1784.

4/1.7. Vol. 7: 13 April 1784 - 12 July 1784.

4/2. 'Single Stars of the first magnitude with the nearest surrounding small stars' (observations from 4/1).

4/3. 'Review of the Ecliptic By triangles trapesia &c.' (observations extracted from 2/2.6).

4/4. Observations on changeable stars, with 3 pages entitled 'Remarks from Observations. Review of the Ecliptic'.

4/5. Catalogue of the fixed stars in the Zodiac.

4/6.1. 'Review of the Zodiac', 14 February 1792.

4/6.2. 'Zodiac. Divided into Triangles &c.'

4/6.3. 'Ecliptic laid down from Mr Woolaston's Catalogue.'

4/7. A copy, made in 1781, of Christian Mayer, 'De novis in coelo sidere o phaenomenis' from 'Historia et commentationes academiae scientiarum et elegantiarum literarum', IV, 1779.