Fig. 12From: Identification of an unusual pale green material on the surface of an ancient Chinese bronze vessel and application of laser cleaning to its removalBefore (a, c, e, g) and after (b, d, f, h) laser cleaning of test areas, which received 2, 5, 5 and 10 pulses respectively. Scale bar: 0.5Â mm in (a, b, e, g, h), 1.0Â mm in (c, d, f)Back to article page