Sea Anchor brand pressure lantern, commonly used for high-intensity lighting.
It operates using pressurized kerosene or paraffin fuel to produce a bright white light, often rated at 500/600 candlepower.
The design typically includes a polished metallic finish, a protective glass globe, and sometimes a rapid preheating device.
These lanterns are often marketed as durable "work horses" suitable for outdoor activities like fishing, camping, or as emergency lighting.