filter tipped cigarettes used in demonstration. Left to right: unfiltered, cork-tip, Lot - DESIGNER UNKNOWN. BARBARA

Department of Labor, Occupational Safety and Health Administration

The inside of the cigarette is revealed so the consumer can see the charcoal filling the inner chamber, and words like invented, amazing charcoal, and modern science work together to further present Lark as the most advanced cigarette on the market

Filtering Features: the ZOBO effectively reduces smoke tar and stains being inhaled, lessens the smoking-caused stains on teeth and fingers, and keeps your cigarette mouthpiece dry

Five deep light wells were to penetrate the building, bringing light and air to the interior, while the top floor was to have north-facing lights, so that heat would not build up in strong sunshine

It was a mid-range product