One was a very flat cone, much like a coolie-hat and hardly larger, with a sort of power-pack of coils and batteries attached.
The entire set-up was under six feet tall, and the coolie-hat cones were no more than eighteen inches in diameter.
At its nose there was a second coolie-hat cone, with other coils and batteries.
a broad cone-shaped straw hat, esp. worn by Asian laborers
from Hind. kuli