Washington, D.C., circa 1920. "Tabulating Machine Co." Our second look at the company's equipment. This installation is at the Old Post Office on Pennsylvania Avenue. Harris & Ewing Collection glass negative. View full size.
  BUY PRINT    Washington, D.C., circa 1920. "Tabulating Machine Co." Our second look at the company's equipment. This installation is at the Old Post Office on Pennsylvania Avenue. Harris & Ewing Collection glass negative. | Click image for Comments. | Home | Browse All Photos