Title 14
SECTION 29.1543
29.1543 Instrument markings: general.
§ 29.1543 Instrument markings: general.For each instrument -
(a) When markings are on the cover glass of the instrument there must be means to maintain the correct alignment of the glass cover with the face of the dial; and
(b) Each arc and line must be wide enough, and located to be clearly visible to the pilot.