... the ink. A memory of breakfast unremoved still hung about the parlour table—a teapot and a slop basin. The former supplied a diluent, the latter a haven for the indisputably used-up quill whose feather served to incorporate it with the black coagulum. With the resultant fluid you could make a mark about the same blackness as what the letter was, using by preference the newest magnum bonum pen, which was all right ... — When Ghost Meets Ghost • William Frend De Morgan