Here you would squeeze a small plastic bulb located at the base of the glass dome. This would then emit the odor of the enclosed element into the copper horn on the bottom left. In this case we were smelling dried pineapple.
Here you would squeeze a small plastic bulb located at the base of the glass dome. This would then emit the odor of the enclosed element into the copper horn on the bottom left. In this case we were smelling dried pineapple.