CONTENTS. 



N.i. Page 



1. Richard Kden to Lord Burghley, Aug. 1st, 1562 ... 1 



2. Thomas Digges to Lord Burghley, May 14th, 1574 . . 6 



3. Ralph Rabbards to Queen Elizabeth, 1574 7 



4. Dr. John Dee to Lord Burghley, Oct. 3rd, 1574 ... 13 



5. Humphrey Cole to Lord Burghley, Dec. 4th, 1578 ... 18 



6. Instructions by Dr. John Dee, May 15th, 1580 .... 20 



7. Stephen Powle to Mr. West 21 



8. Lord Burghley's memorial concerning Dr. John Dee's opi- 



nion on the reformation of the calendar 30 



9. Thomas Hood to Lord Burghley 31 



10. Tycho Brahe to Thomas Savelle, Dec. 1st, 1590 ... 32 



11. John Bulkeley to Thomas Harriot, Feb. 28th, 1591. . . 34 

 1'J. Edmund Jentill to Lord Burghley, Oct. 1st, 1594 ... 35 



13. Inventions by Edmund Jentill 36 



14. Henry Marshall to Lord Burghley, June 1st, 1595 ... 37 



15. Emery Molineux to Lord Burghley, 1596 ib. 



16. William Lower to Thomas Harriot, March 4th, 1611 . . 38 



17. The same to the same, April 13th, 1611 41 



18. The same to the same, July 19th, 1611 42 



19. Thomas Aylesburie to Thomas Harriot, April 15th, 1613. 43 



20. John Rudston to Thomas Harriot, June 9th, 1615 . . . ib. 



21. Thomas Aylesburie to Thomas Harriot, Jan. 19th, 1619 . 44 



22. Thomas Harriot to the Duke of Northumberland, June 1 3th, 



1619 45 



23. Samuel Turner to Thomas Harriot 46 



24. Henry Briggs to Thomas Lydyat, July llth, 1623 . . . ib. 



b 



