An interesting pair of Edwardian era Paris motor salon electric wall-lights by Albert Butin of Paris

manufactured by Albert Butin Ingenieur E.C.P., 56 Rue Des Martyrs, Paris, bronze and copper bodies fixed to bronze wall-mounting brackets with manufacturer's markings, with clear sight glasses etched 'EST' and further marked 'EST' elsewhere, with bulbs and wiring, each 29cm high, of the type believed used as wall lighting in Parisian motor showrooms.
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Albert Butin were producers and manufacturers of automobile, transportation and domestic acetylene, oil and electrical lighting units and accessories, from their Paris factory.