151. 1970-01-13 Ongeval elekrolyse oven 2

152. 1970-01-13 Oven 2

153. Zakfilter oven 1 2 en 3

154. 1958-01-06 Oven 3 Hersmelting

155. 1958-01-14 Hersmelting (2)

156. 1958-02-08

157. 1958-02-08 Gieter Sheppard

158. 1958-02-08 Hersmelting electrische oven

159. 1958-02-08 Hersmelting Oven 3

160. 1958-02-24 Hersmelting

161. 1958-02-24 Hersmelting wazig

162. 1963-10-13 Oven 3 achterste kamer (zinkblok)

163. 1963-10-16 Oven 3

164. 1963-10-16 Oven 3 (2)