- Back
-
Title: Pig of cast iron, showing white iron round the edges and gre [Go to resource]
Description: Pig of cast iron, showing white iron round the edges and grey iron in the centre License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1889-164/3186 Go to resource More Like this...
[Edit] - Back