General view. Bustenari 1915.
''Depositul I. Saraga & S. Schwartz, Selari 7''
Oil industry on Prahova Valley in 1961.
Oil wells on Prahova Valley in 1961.
''Rafinariile, laboratoarele imense si complicate, prelucreaza rodul sondelor''
Astra Romana oil refinery
Astra Romana refinery in 1929.
Cartea Romaneasca Publishing House.
P. C Stefanescu & I. Ardeleanu Ploiesti.
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