4 Free Artworks of Cofferdams

illustrations for “blasting” in the american cyclopædiayerba buena islandblossom rock (san francisco bay)
AmCyc Blasting - Coffer Dam and Excavation at Blossom Rock, 1879
illustrations for “blasting” in the american cyclopædiacofferdams
AmCyc Blasting - Excavation at Blossom Rock showing Charges, 1879
illustrations for “blasting” in the american cyclopædiamining diagrams
Ancien pont de la Visitation à Troyes, 15 July 1912
partie inachevée du canal de la haute-seinepostcards of troyes
Bouw van een muur in rivier L'arte di rendere i fiumi navigabili, in varij modi, con altre nuove inventioni, e varij altri segreti (serietitel), RP-P-OB-207.622(R), Cornelis Meijer
etchings of bridgescornelis meijer
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