drawing in pen and line
- Made:
- 1966
drawing in pen and line, illustrating the Dover Castle clock mechanism of 1600 (inv.1884-81) by Bob Vallance, [c1966?]. unsigned. Science Museum design office graphics
drawing in pen and line, illustrating the Dover Castle clock mechanism of 1600 (inv.1884-81) by Bob Vallance, [c1966?]. unsigned. Science Museum design office graphics