Steel Plate Ruled with Parallel Lines

Etchings with ruled line grounds (before 1852). Prepared as experimental trials of ground effect by ordinary mechanical means, no photo-etching involved. Steel plate (ruled on metal), 6" x 5", with proof. Plate marked 'Sellars, Sheffield'.

Details

Category:
Photographs
Object Number:
1937-459
Materials:
steel (metal)
Measurements:
plate: 152 mm x 127 mm
type:
printing plate and proof
credit:
The National Media Museum, Bradford