Before revision: He first named it "typhlograph" , but at the suggestion of one of his brother-students, this was subsequently changed into "Nyctograph".“The Life And Letters Of Lewis Carroll (Rev.
After revision: from , ("blind")He first named it "typhlograph" , but at the suggestion of one of his brother-students, this was subsequently changed into "Nyctograph".“The Life And Letters Of Lewis Carroll (Rev.