Original oil and gas trade magazine vintage ad for UNIVERSAL ENGINEERING COMPANY, was located at 2369 East 51 Street, Los Angeles, CA. Have You Send for Your Copy of Hole? Rapidly taking its place as a most valuable contribution to the science of safe, straight and fast hole drilling. Manufacturers of Zublin Oil Well Equipment. This unique 1930 old petroleum oilfield drilling industry equipment magazine advertisement would display fantastic matted and framed..