Sentence:  ln a very well-known utterance, the novelist said of "Effi Briest" (with that curious pellucidity which has no grain of vanity in it): "Perhaps I have been so successful with it because l wrote the whole novel in a dream-like state, almost as if with a <WSD>psychograph</WSD>"  - a <WSD>psychograph</WSD> being the pen-like implement used in spiritualistic ghost-writing. 
Meaning of the word marked with <WSD> tags:  Any of various devices used for automatic writing.