6 Claude Teague, a scientist working on filters for the tobacco company RJ Reynolds, found that changing the pH of filters led these to discolour after smoking, thus creating the misleading impression that filters removed toxins and thus rendered smoking safe
M: Refers to "Manganese" (as in IMR), indicating the battery chemistry includes manganese, which is common in safer, high-drain batteries
And that includes using and reclaiming sacred traditional tobacco
Original, 18 height, 22.75 width, 3.25 depth, Shadow box display with a collection of tobacco related items to include poster titled Target Real Cigarette Tobacco Saves You Money with artwork of man holding a pouch and a wrapping machine, Prince Albert pocket tin and wrapping papers, Old Holborn tin, corn cob pipes, Medico filters and Natural Cob Replacement bowls