Original oil and gas trade magazine vintage ad for LANE-WELLS COMPANY of Los Angeles, CA. Beautiful Binding, is the book itself any good? The contents in Radioactivity Well Logging is complete, accurate down-hole information. Clear repeatable curves with sharp detail, giving full and reliable data on depths, formations and fluid locations. This unique 1953 old oilfield petroleum drilling equipment magazine advertisement would display beautifully matted and framed.