Brick Graffiti – 1933 Fantastic brick graffiti piece by a Duluthian in 1933! Is the stick drawing of a horse? Feel free to weigh in. Similar Images ...based on the tags: brick-graffiti, brown, carvings, letters, numbers, worker-graffiti... These machines had embossed metal numbers marking their ends. Atop Elevator ‘M’, formerly Cargill ‘O’. Circa-1960s graffiti. Someone got their ass kicked. More than half a century of plans rot in the shadows, seemingly useless. The corners of these buildings are inscribed by a century of bored rail workers and delivery drivers. Pictured is the southeast corner of the Twohy, which is typical of mercantiles. “R.S. ’14”. Brick Graffiti Series. The guard shack protecting the Nike launch pad. Moon of M.R. ‘1985. Brick Graffiti Series. The control room for the whole of the plant. Sinterband here means one of the sintering lines. Temperatures, gasses, mixtures, speeds, and so on were centrally controlled here.