Then he double-checked to make certain the heavy shades still guarded the two small windows before he turned on a large, battery-powered lamp.
The battery-powered lamp sat on a small wooden table boasting two sturdy looking chairs.
And she said good night in a quiet voice when the battery-powered lamp was turned off.
I got a sleeping bag and a battery-powered lamp.
The reticle is also illuminated by radioactive tritium instead of a small battery-powered lamp.
Lighting had been improved even here: battery-powered lamps were stuck to the wall at each landing.
Finally, she ushered him into a small, cozy chamber, then set about lighting battery-powered lamps that hung on the wall.
The reticule can be illuminated by a small battery-powered lamp.
Nevertheless, the brightness is much lower, when non-dangerous light sources, such as lightsticks or battery-powered lamps are used.
Some illumine their racks and table with battery-powered fluorescent lamps.