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VINTAGRAPH • WPA • WWII • JENNY ON THE JOB LIFTS WEIGHT THE EASY WAY

Typhoid Medic: 1917

Typhoid Medic: 1917

Washington, D.C., 1917. "U.S. Army medical school -- typhoid vaccine." Science marches on. Harris & Ewing Collection glass negative. View full size.

 

Metering Device

When the liquid in the vial is almost to proper level, pinch the tube.

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