Correspondence concerning the annual estimate of expenses incurred by the Royal Observatory and the submission to the Admiralty of annual draft estimates of expenditure. The letters are grouped by financial year, with each section listing the items of expense and give details of any extraordinary expenses.

(1) Estimated expenditure for the financial year 1900-1901, including:

1. Comparison of votes and expenditure.

2. Estimated cost of Assistants' salaries

3. Estimated cost of workmen's wages.

4. Estimate of total expenses for the year.

5. Printed sheet titled 'Navy Estimates - Vote - 6 Scientific Service'.

(2) Estimated expenditure for the financial year 1901-1902, including:

1. Comparison of votes and expenditure.

2. Estimated cost of assistants' salaries.

3. Rough notes for the preparation of draft estimates.

4. Draft estimate of expenses.

5. 'Errata' sheets headed 'Yard wages and allowances'.

6. Printed sheet titled 'Navy Estimates - Vote 6 - Scientific Services'.

(3) Estimated expenditure for the financial year 1902-1903, including:

1. Request for a sketch estimate of expenses.

2. Sketch estimate of expenses.

3. Estimated cost of assistants' salaries.

4. Comparison of votes and expenditure.

5. Table showing variations between estimated and actual expenditure.

6. Rough notes for the preparation of draft estimates.

7. Draft estimate of expenses.

8. Printed sheet titled 'Navy Estimates - Vote 6 - Scientific Services'.

(4) Estimated expenditure for the financial year 1903-1904, including:

1. Estimated cost of assistants' salaries.

2. Details of expenditure for 1902.

3. Rough notes for the preparation of draft estimates.

4. Draft estimate of expenses.

5. Request for a sketch estimate.

6. Sketch estimate of expenses.

7. Printed sheet titled 'Navy Estimates - Vote 6 - Scientific Services'.

(5) Estimated expenditure for the financial year 1904-1905, including:

1. Request for sketch estimate of expenses.

2. Sketch estimate of expenses.

3. Estimated cost of assistants' salaries.

4. Estimated cost of workmen's wages.

5. Draft estimate.

6. Estimated cost of electric light accumulators.

7. Rough notes for the preparation of draft estimates.

8. Note of an adjustment to the draft estimate.

9. Printed sheet titled 'Navy Estimates - Vote 6 - Scientific Services'.

(6) Estimated expenditure for the financial year 1905-1906, including:

1. Request for sketch estimate of expenses.

2. Sketch estimate of expenses.

3. Rough notes for the preparation of draft estimates.

4. Draft estimates.

5. Printed sheet titled 'Navy estimates - Vote 6 - Scientific Services'.

6. Estimated requirements of furniture and stores.

7. Estimated list of assistants' salaries.

8. Estimated expenditure on the Ten-Year Catalogue and 'Groombridge's Catalogue'.

(7) Estimated expenditure for the financial year 1906-1907, including:

1. Request for a sketch estimate of expenses.

2. Sketch estimate of expenses.

3. Printed sheet titled 'Navy Estimates - Vote 6 - Scientific Services'.

4. Estimated requirements of furniture and replacements.

5. Estimated cost of assistants' salaries.

6. Draft estimate of expenses.

(8) Estimated expenditure for the financial year 1907-1908, including:

1. Request for a sketch estimate of expenses.

2. Sketch estimate of expenses.

3. Estimated requirements of furniture and replacements.

4. Estimated cost of assistants' salaries.

5. Estimated cost of continuing the 'Photographic Mapping of the Heavens'.

6. Draft estimate of expenses.

7. Printed sheet titled 'Navy Estimates - Vote 6 - Scientific Services'.

(9) Estimated expenditure for the financial year 1908-1909, including:

1. Request for a sketch estimate of expenses.

2. Sketch estimate of expenses.

3. Draft estimate of expenses.

4. Printed sheet titled 'Navy Estimates - Vote 6 - Scientific Services'.

5. Comparison between estimated and actual expenditure for 1908-1909.

6. Estimated cost of assistants' salaries.

7. Estimated cost of workmen's wages.

8. Application from G.H. Lifton for an increase in salary.

9. Estimated cost of employing additional computers to record sunspot activity.

10. Estimated cost of employing additional computers to study the orbit of Halley's Comet.

(10) Estimated expenditure for the financial year 1909-1910, including:

1. Request for a sketch estimate of expenses.

2. Sketch estimate of expenses.

3. Draft estimate of expenses.

4. Estimated cost of the computation of the Ten-Year Catalogue spread over three years.

5. Comparison of estimated and actual expenditure.

6. Estimated cost of assistants' salaries.

7. Estimated cost of workmen's wages.

8. Estimated cost of the 'Photographic Mapping of the Heavens' for 1909-1910.

9. Printed sheet titled 'Navy Estimates - Vote 6 - Scientific Services'.

(11) Estimated expenditure for the financial year 1910-1911, including:

1. Request for a sketch estimate of expenses.

2. Sketch estimate of expenses.

3. Draft estimate of expenses.

4. Estimated cost of the Nine-Year Catalogue.

5. Estimated cost of assistants' salaries.

6. Estimated cost of workmen's wages.

7. Estimated cost of the 'Photographic Mapping of the Heavens' for 1910-1911.

8. Estimated cost of the Oxford zone of the astrographic chart.

9. Printed sheet titled 'Navy Estimates - Vote 6 - Scientific Services'.

10. Estimated cost of the Photoheliographic Department for 1910-1911.

(12) Estimated expenditure for the financial year 1911-1912, including:

1. Request for a sketch estimate of expenses.

2. Sketch estimates of expenses.

3. Draft estimate of expenses.

4. Estimated cost of assistants' salaries.

5. Estimated cost of workmen's wages.

6. Printed sheet titled 'Navy Estimates - Vote 6 - Scientific Services'.

(13) Estimated expenditure for the financial year 1912-1913, including:

1. Request for a sketch estimate of expenses.

2. Sketch estimate of expenses.

3. Draft estimate of expenses.

4. Estimated cost of assistants' salaries.

5. Estimated cost of workmen's wages.

6. Printed sheet titled 'Navy Estimates - Vote 6 - Scientific Services'.