THE NEW YORK TIMES, Aug. 5, 1930

* Dornier Do X flying boat - airplane 
* Refitted with upgraded motors - engines 
* Flight over Lake Constance (success)

The top of page 12 has a one column heading: "Do-X In First Flight With New Motors" with subhead. (see images) 
Complete with all 48 pages, rag edition in nice condition.

Background: On August 4, 1930, the Dornier Do X, then the world's most massive and ambitious flying boat, was undergoing a transformative mechanical overhaul at the Dornier works in Altenrhein, Switzerland, to address the chronic overheating issues of its original Siemens engines. Engineers were in the final stages of installing twelve 610 hp Curtiss Conqueror water-cooled, V-12 engines in a unique "push-pull" configuration atop the wing, a move necessitated by the aircraft's initial inability to gain sufficient altitude for a transatlantic crossing. This period of intense retrofitting was a high-stakes gamble for Claudius Dornier; it converted the "flying ocean liner"—complete with its luxurious three-deck interior, smoking room, and dining salon—from a struggling prototype into a viable long-distance vessel. These technical refinements throughout August 1930 served as the critical bridge to its legendary international tour later that November, proving that an aircraft weighing 56,000 kg could indeed stay airborne, even if its operational ceiling remained low enough that pilots often flew within the "ground effect" just meters above the ocean waves.