This subtitle is intended to apply to all locomotive engines that now or may hereafter be used within the limits of the City of Baltimore. City Code, 1879, art. 40, §22 1893, art. 41, §22 1927, art. 39, §23 1950, art. 29, §12 1966, art. 20, §12 1976/83, art. 20, §12 Ord. 1850-006 Ord. 76-143 Ord. 80-138