Five strips of 'Hercu-lace' carded belt hooks, sizes 2, 3, 4, 5, 6, for joining machinery beltings, some with rawhide pin, by The Kleeton Co., London, EC4, England, 1936. Sizes stored in individual bags: 31/07/2007. Five strips of 'Hercu-lace' carded belt hooks in various sizes 1936