456756-010.jpg Puffing Billy RailwayThumbnailsBelgravePuffing Billy RailwayThumbnailsBelgravePuffing Billy RailwayThumbnailsBelgravePuffing Billy RailwayThumbnailsBelgravePuffing Billy RailwayThumbnailsBelgravePuffing Billy RailwayThumbnailsBelgravePuffing Billy RailwayThumbnailsBelgrave
Three position semaphore signal showing "caution". Puffing Billy Railway.