Dr Nelsons inhaler medical ceramic double-valved inhaler was invented by Dr Nelson between 1861 and 1865

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Size: 4896px × 3263px
Location: Lincoln City Lincolnshire UK GB England
Photo credit: © Tommy (Louth) / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1861, 1865, ceramic, double-valved, dr, health, inhaler, invented, invention, medical, nelsons, pot