Content Description Ms letter from Thomas Carlyle, 5 Cheyne Row, Chelsea, to Peter Millar Cunningham, Surgeon Royal Navy, 4 December 1843.The letter reads: I have received your little Essay on Compass Variations, and read it over with great satisfaction. It is a most ingenious little speculation, or rather big speculation in little bulk; and had it even otherwise, it would have pleasantly brought you to our new embrace, and been very welcome in this hour. You never come to us now; it is...