Martha J Coston. Martha J Coston - wife of inventor of Coston Signals that were used for many years by beach patrol men. Mrs. Coston pushed the completion of her husband's invention after his death.

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Size: 3897px × 4765px
Photo credit: © NB/USC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 17-a2-187, 26-, coast, guard, history, job, rdss, rg