
4 0 c m
30cm
actual image size: 22cm x 32cm
Description
Lead glas coloured with manganese, made by James Powell and Sons (Whitefriars) Ltd. These coloured glases are obtained by adding salts, generally oxides, of various elements or, in some cases, the elements themselves to the materials from which the glas is made.
Image Details
Image Ref.
10304573
© Science Museum / Science & Society Picture Library