A floodlight in the yard made the whole place as light as day.
"A Yankee Flier in Italy"
Rutherford G. Montgomery
What the Observer Sees Watched through a 20-power telescope on a cloudless night, the full moon shines like a giant plaster hemisphere caught in the full glare of a floodlight.
"A Quantitative Study of the Nocturnal Migration of Birds. Vol.3 No.2"
George H. Lowery.
It was pitch dark at that depth, and Dr. Bird switched on one floodlight and studied the cliff which rose a hundred yards from them.
"Astounding Stories of Super-Science, December 1930"
Various