Leaving Brunswick, where, in absence of most of the Court, who are visiting at Potsdam, my old Commander," Duke Ferdinand, now estranged from Potsdam, [Had a kind of quarrel with Friedrich in 1766 (rough treatment by Adjutant von Anhalt, not tolerable to a Captain now become so eminent), and quietly withdrew,--still on speaking terms with the King, but never his Officer more.] and living here among works of Art, and speculations on Free Masonry, "was very kind to me, I went to Celle, in Hanover, to pay my respects to the Queen of Denmark [unfortunate divorced Matilda, saved by my friend Keith,--innocent, I will hope!]...

She is grown extremely fat....

At Magdeburg, the Prussian Frontier on this side, one is not allowed, without a permit, even to walk on the ramparts,--such the strictness of Prussian rule....

Driving through Potsdam, on my way to Berlin, I was stopped by a servant of the good old Lord Marischal, who had spied me as I passed under his window.

He came out in his nightgown, and insisted upon our staying to dine with him--[worthy old man; a word of him, were this Letter done].