American Red Cross nurses with mobile blood collection vehicle

View of American Red Cross nurses with a bloodmobile. "American Red Cross, Blood Donor Service" is painted on side of vehicle. Label on back: "Red Cross mobile blood-collecting unit. Approximately 60 units of this kind have been placed in service in the 33 donor center areas. They carry complete equipment to set up subsidiary blood donor centers within a radius of 50 miles. This enables reaching a far greater number of donors. The above unit is in operation in Boston. Photo from: American Red Cross, Washington, D.C." Stamped on back: "From the American Red Cross." Handwritten on back: "Women workers."