Original oil and gas trade magazine vintage ad for MARTIN-DECKER CORPORATION of Long Beach, CA. Formerly Martin-Loomis Corporation. Indispensable! The Martin Decker Automatic Recording Weight Indicator used at the Otis-Hoyt Well No. 9, Signal Hill, CA. Shown in the photograph are Mr W.E. Bill Long, Superintendent, Crew Members are Mr Homer Hauvenstrite, Toolpusher, Mr June Fishback, Mr Nick Benko, Mr Frank Warden, Mr C.E. Laswell and Mr Jesse Fishback. Unique 1930 old oilfield petroleum drilling industry equipment magazine advertisement.