A hot blast lantern collects some hot air at the top and recirculates it through the tubes on the side to mix with cold air near the flame. The advantage is less heat and more light, though it is not as bright as a cold blast lantern.The original process was patented in 1868.
Made/Created
Manufacturer
Dietz
Place
City
New York City
State
New York
Country
United States
Continent
North America
Dimensions
Height
13-1/2 in
Width
8 in
Diameter
6-1/2 in
Dimension Notes
Diameter measured at the base of the lantern. The Diameter of the top metal cover is 3-1/2 in. The Diameter of the globe is 6-1/2 in at bottom and 2-1/2 in at top
