faro de carburo / acetileno MILLER MODELO Nº31 con soporte para deposito carburo y manillar RUDGE / AJS / ARIEL / BSA / NORTON / OTRAS años 1920 a 1927
carbide / acetylene headlamp / headlight MILLER MODEL Nº31 with carbide tank holder, and handlebar support RUDGE / AJS / ARIEL / BSA / NORTON / OTHERS years 1920 to 1927