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After the blast. No 23, Driving the heading shaft no 23, page, photomechanical print, photographer:
LZT26B03_137

After the blast. No 23, Driving the heading shaft ...

In the tunnel heading by electric light, page, photomechanical print, photographer: CF Ferrer, New
LZT26B03_136

In the tunnel heading by electric light, page, pho...