object
Moderator lamp
A named spring-piston oil lamp of later nineteenth-century practice that moderates fuel feed. Not a carcel-lamp, not an argand-lamp alone, and not a kerosene-lamp.
Also known as Moderator oil lamp · Spring moderator lamp
object
A named spring-piston oil lamp of later nineteenth-century practice that moderates fuel feed. Not a carcel-lamp, not an argand-lamp alone, and not a kerosene-lamp.
Also known as Moderator oil lamp · Spring moderator lamp