Meanings of silver ground in English

He had already sighted that black and silver ground car himself.

The first field shall show on a silver ground a black chimney, in which we will also have indicated the Prussian colors.

The walls were prepared with a French paper of great delicacy, a silver ground, with a faint green cord running zig-zag throughout.

All around the horizon everything became misty and silvery; even the big, brutal buildings looked like pale violet water-colours on a silver ground.

In this way colored drawings may be taken on a gold or a silver ground, and very bright photo tracings will be the result.