Engraving depicting workmen recharging the portable compressed air reservoir from an air main inside the St Gotthard tunnel. Work on the tunnel lasted from 1872-81.

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Size: 4242px × 4944px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, air, alps, archival, archive, century, compressed, construction, engraving, gotthard, historic, historical, history, italy, massif, pass, portable, recharge, reservoir, saint-gotthard, st, switzerland, tunnel, workmen