he coil is closed, so thatthere is contact betweenthe coils. The circuit wires connect to the ends of the coil at the fixed and slidingcollars. The resistance offered by the coil depends upon thelength of the coiled portion opened by adjustment of theslide. The closed portion is short circuited,… … Bridle Bit. A novelty in the construction of bridle bits, by which theattachment of the cheek strap, curb strap, check strap, andreins to bits, and their detachment therefrom, are greatlyfacilitated, has been patented by Mr. Ellis Little, of NewYork city. The mouth-piece is made in two parts,…