| Tags |
print, woodengraving, “stillimage”, “printsandphotographs”, pp, nationallibraryofmedicine, nlm, imagesfromthehistoryofmedicine, ihm, historyofmedicinedivision, hmd, “nationalinstitutesofhealth”, nih, water, potable, suitablefordrinking, drinkableliquids, waterpollution, dams, watersheds, pollution, harpersweekly, watertreatmentsystem, watersupply, sterilizingwater, drinkingbehaviorwater, sanitaryengineering, watersterilization, distill, microbiology, waterdistributionsystem, waterdistillationmechanisms, publicdomain, h20, archivesofmedicine, nlmdigitalcollection
|