Four clip profiles, standard, ends and sides, two outside and two inside, for BS 45R flat-bottomed rail, modified type `F' clips, drawing Z3822, unnumbered Crown Agents series, profiles by ESC Ltd., Manchester
Four clip profiles, standard, ends and sides, two outside and two inside, for BS 45R flat-bottomed rail, modified type `F' clips, drawing Z3822, unnumbered Crown Agents series, profiles by ESC Ltd., Manchester