Fig. 2From: Characterization of the residues in Han Dynasty bronze lamps by pyrolysis–gas chromatography–mass spectrometryExcavation of two bronze lamps. a A picture of the bronze lamp numbered M1:1641. b A picture of the bronze lamp numbered M1:1681. c A schematic of M1:1641 after restoration. d A schematic of M1:1681 after restoration. e The layout of the M1 tomb, and the dot indicates the location from which the two lamps were excavatedBack to article page