1Ferdinand Rudolph Hassler to James Madison, 6 February 1833 (Madison Papers)
In taking the Liberty to address to You herewith Copies of my Reports upon Weights and measures, I again make use of the priviledge, which I have often assumed to continue to give You some account of my employment of my time. The object of the present is most likely not without some Interest for You, the manner in which I have treated the subject is in many respects new, and I hope however...
2Ferdinand R. Hassler to James Madison, 8 September 1828 (Madison Papers)
With the present I take the Liberty to present to You two Copies of my Elements of Geometry which I wrote during my short stay at Richmond since I had the pleasure to communicate to You my former work on astronomical subjects. I should be very happy to see my now several elementary works of Mathematic introduced in Virginia, they appear to be much approved generally, and particularly by the...
3Ferdinand R. Hassler to James Madison, 14 June 1830 (Madison Papers)
Permit me with the present to present to You a Copy of my logarithmic and trigonometric Tables, which just now appear in the public, to which I made the Introduction in, 5 languages, as the intermediate titles shew, that they may acquire more general course; the numbers being the same for all, this extension appeared to me proper, so that each of the 4 living languages might have the book in...
4Ferdinand R. Hassler to James Madison, 27 July 1835 (Madison Papers)
Your favor of the 2d. inst gave me great satisfaction, I thank to you very much for your kindness of recommending me for the Professorship vacant at the Virginia University. I have since written to Mr: Joseph C: Cabell, Rector of it, in more detail, as by the Prospectus the place is to be filled by the 1.st Septr. I delayed troubling you again upon it, to try if possible to save from...
5Ferdinand R. Hassler to James Madison, 9 January 1835 (Madison Papers)
The Kind interest which You have always taken in the Work of the Coast Survey, occasiones me to communicate to You herewith a Copy of the principal Documents relating to that work, which it has become necessary for me to print on account of the violent attack made upon me, and my character by the 4th Auditor under whose hands the transfer of the work to the Navy Department has brought the...