Claus Nielsen, Denmark:
Decauville skip at the Athens Gasworks Museum
Claus Nielsen, Denmark:
Skip and a (very) short history of narrow gauge industrial railways
Claus Nielsen, Denmark:
Retorts and a top hung retort loading machine
Claus Nielsen, Denmark:
Gas coolers and a nice chimney against the blue Greek sky
Claus Nielsen, Denmark:
Steam engines
Claus Nielsen, Denmark:
Gas cleaning building
Claus Nielsen, Denmark:
Gas cleaning tubs
Claus Nielsen, Denmark:
Gas tank no 3