Multi-Use Nozzle Jet Injector

Used on us veterans in the 1960s for vaccinations. As an Infantry OCS classmate writes:

“A slight tremor by the operator opened up an impressively deep divot on your arm. No longer recommended for use, as the body fluids  from your arm apparently rebounded onto the nozzle, inoculating the next man in line with the intended vaccine plus whatever was going on in you (how many classmates’ DNA are we carrying around as I write this?  Talk about blood Brothers! Yo! Bro!). “

Heh.

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