451. EAP563/1/5/5/378 Reference (shelfmark): EAP563/1/5/5/378 Title: Bolted steel structure. Possibly a railroad bridge. [Early 20th century] Scope & Content: Extent of original material: 1 glass plate Collection Area: Endangered Archives Programme Languages: Not applicable Date Range: Early 20th century Extent: Tiff image
452. EAP563/1/5/5/379 Reference (shelfmark): EAP563/1/5/5/379 Title: Construction of the steel structures for Retiro Station platforms. [c 1912] Scope & Content: Extent of original material: 1 glass plate Collection Area: Endangered Archives Programme Languages: Not applicable Date Range: c 1912 Extent: Tiff image
453. EAP563/1/5/5/380 Reference (shelfmark): EAP563/1/5/5/380 Title: Construction works [Early 20th century] Scope & Content: Extent of original material: 1 glass plate Collection Area: Endangered Archives Programme Languages: Not applicable Date Range: Early 20th century Extent: Tiff image
454. EAP563/1/5/5/381 Reference (shelfmark): EAP563/1/5/5/381 Title: Construction works of Compañía San Martín de Cemento Portland in Paraná. [c 1935] Scope & Content: Extent of original material: 1 glass plate Collection Area: Endangered Archives Programme Languages: Not applicable Date Range: c 1935 Extent: Tiff image
455. EAP563/1/5/5/382 Reference (shelfmark): EAP563/1/5/5/382 Title: Circular excavations. [Early 20th century] Scope & Content: Extent of original material: 1 glass plate Collection Area: Endangered Archives Programme Languages: Not applicable Date Range: Early 20th century Extent: Tiff image
456. EAP563/1/5/5/383 Reference (shelfmark): EAP563/1/5/5/383 Title: Corn plantation with protection against locust. [Early 20th century] Scope & Content: Extent of original material: 1 glass plate Collection Area: Endangered Archives Programme Languages: Not applicable Date Range: Early 20th century Extent: Tiff image
457. EAP563/1/5/5/384 Reference (shelfmark): EAP563/1/5/5/384 Title: Protection against locust. [Early 20th century] Scope & Content: Extent of original material: 1 glass plate Collection Area: Endangered Archives Programme Languages: Not applicable Date Range: Early 20th century Extent: Tiff image
458. EAP563/1/5/5/385 Reference (shelfmark): EAP563/1/5/5/385 Title: Silos construction. [Early 20th century] Scope & Content: Extent of original material: 1 glass plate Collection Area: Endangered Archives Programme Languages: Not applicable Date Range: Early 20th century Extent: Tiff image
459. EAP563/1/5/5/386 Reference (shelfmark): EAP563/1/5/5/386 Title: Silos construction. [Early 20th century] Scope & Content: Extent of original material: 1 glass plate Collection Area: Endangered Archives Programme Languages: Not applicable Date Range: Early 20th century Extent: Tiff image
460. EAP563/1/5/5/387 Reference (shelfmark): EAP563/1/5/5/387 Title: Silos construction. [Early 20th century] Scope & Content: Extent of original material: 1 glass plate Collection Area: Endangered Archives Programme Languages: Not applicable Date Range: Early 20th century Extent: Tiff image