细节
A Sikes' hydrometer,
by Blake, 58 Hatton Garden, London in mahogany case 8 1/8in. (20.6cm.) wide; another by Loftus; and another by Joseph Long LTD. (3)
by Blake, 58 Hatton Garden, London in mahogany case 8 1/8in. (20.6cm.) wide; another by Loftus; and another by Joseph Long LTD. (3)