In a historical English book published in 1875, the grapheme 'm̃' (m with a diacritical tilde) is used in the title.
Ye parish of Cam̃erwell : a brief account of the parish of Camberwell : its history and antiquities / by William Harnett Blanch.
Language(s): English
Published: London : E.W. Allan, 1875.Sources:
https://catalog.hathitrust.org/Record/100327885
Google Books
Cam̃erwell appears to be same as Camberwell in the book. Did the grapheme m̃ replace the consonant digraph mb here? Was this grapheme/character used in English? (Early Modern English or even before?)