Spaar Lamp

The "cool blast" lights are created so the supply of air via the side tubes, does not mix with heated air from the fires. The flame is provided with fresh air, both through the world plate as well as the side tubes. This creates a white fire, and two times the volume of light as a "warm blast" light. One of the most famous maker of tubular lights, R.E. Dietz, still makes lamps today, although his company has actually moved to Hong Kong as well as China.
The use of kerosene lamps lowered