Fuente: WIPO "honey" 9916. Flood, W. H., and Honey, A. E. May 13. Brushes and brush-holders.- The brush consists of a stick of carbon a, curved to an arc of a circle. The holder b is provided with a similarlycurved bearing c, and to it is pivoted at d an arm e, having a clip f engaging with the rear end of the brush. The brush is fed forward with a constant pressure by means of a spring h, secured at one end to the pivot d and bearing, at the other end, against the arm e.