Image #457 (4.5" x 2.75"): "6-19-29. Eye-bar hangers U17 L17 at end of cantilever arm, supporting the suspended span."; Image #458 (4.5" x 2.75"): "6-19-29. Jacking diaphragm for 500 ton hydraulic jack in dummy chord U17 U18. Pin carryin [sic] eye-bar hangers is just beyond."; Image #459 (4.5" x 2.75"): "6-19-29. 500-Ton hydraulic jack in place and connected with pump. Saddle casting (foreground) bears on 10" [diameter] jacking pin shown in 456. Drake - Varga."
