I looked at this page before I looked at your post and thought, that's just the like the pacing and storytelling of John Stanley. Then I read your write-up and understood why.
Actually, this page is a reprint of a Sunday strip (probably late '40s vintage by the look of the art) and is by Bushmiller. Stanley didn't work on Nancy until significantly later.
The Bushmiller work on Fritzi and Nancy was excellent during the '30s and '40s, but deteriorated rapidly thereafter to the point where the '60s and later strips are all but unreadable.
I would encourage anyone who has an interest in comic strip art to pick up a few of the early issues of Comics on Parade that are devoted to Nancy and Fritzi (eg #32, 35, 38) they are very enjoyable