make your own cigarettes This handy guide appeared in the Brooklyn Daily Times with an advertisement for Riz La Croix cigarette papers. "Learn to roll and enjoy the most satisfying luxury in the world." . . How to roll your own

Hydrogen cyanide Prussic acid, or hydrogen cyanide, is a colorless, very toxic and fast-acting substance that smells like bitter almonds and prevents the combustion of oxygen in the cells by blocking respiratory enzymes

They supplied fresh air into the theater, making sure that no smoking or other contaminants entered the space

How to Use Activated Carbon Smoking Filters Properly Activated carbon smoking filters are simple to use, but small mistakes can reduce how well they work

However, these stores require memberships with dues up to $65 per year for a basic membership (you may be able to shop online as a non-member but without access to the same discounts)