Original oil and gas trade magazine vintage ad for PITTSBURGH VALVE FOUNDRY & CONSTRUCTION COMPANY of Pittsburgh, PA. Atwood Pipe Line Equipment. Welding nipples, river crossings, joints. Representatives Garrett Burges, Inc., Maintenance Engineering Corporation, Moore-Broach Engineering Company, R.J. Crozier Company, John G. Bell Company, A.G. Hill. Unique 1929 old petroleum oilfield pipeline equipment magazine advertisement.