Washington, D.C., circa 1937. "Children's Hospital Rotary." The young man hooked up to a Cambridge Instrument Model X900 Thingamambob. Medical technology experts please weigh in. Harris & Ewing glassneg. View full size.
  BUY PRINT    Washington, D.C., circa 1937. "Children's Hospital Rotary." The young man hooked up to a Cambridge Instrument Model X900 Thingamambob. Medical technology experts please weigh in. Harris & Ewing glassneg. | Click image for Comments. | Home | Browse All Photos