drawing. pencil, pen and ink, with blue and sepia wash....
drawing. pencil, pen and ink, with blue and sepia wash. 'Bla
drawing. pencil, pen and ink, with blue and sepia wash. 'Blasting Boring' / Lead Mining, Alston Moor, Northumberland, early 19th century. unsigned; inscribed in pencil after title: Vein. watermark: IPING 1805. (old number 24) 20 x 26cm.