Photograph of unidentified mechanics preparing a Stinson Detroiter monoplane, the On-To-Oregon, for an attempt by brothers Tex Rankin, Dick Rankin, and Dud Rankin to set an endurance flying record. The photograph was taken on Friday, August 15, 1930, at the Rankin School of Flying in Portland. The Rankins made four unsuccessful attempts to break the endurance record in August 1930. A cropped version of this photograph, along with image Nos. 371N6022 and 371N6128, was published on Page 3 of the Oregon Journal on August 15, 1930. The photographs were published under the headline “Almost Ready to Go Up and Stay Up.” They accompanied a story titled “Rankins Plan to Take Off Sunday.” This photograph had the following caption: “Mechanics working on the 300 horsepower Wasp motor.” Also see image Nos. 371N6017, 371N6022, 371N6023, 371N6025, 371N6051, 371N6060, 371N6063, 371N6064, 371N6103, 371N6120, 371N6121, 371N6128, 371N6129, 371N6130, 371N6132, 371N6133, 371N6134, 371N6138, 371N6199, 371N6206, 371N6207, 371N6221, 371N6227, 371N6228, 371N6233, and 371N6234. Image note: Damaged negative.