Bridges--South Carolina; Bridges -- Design and Construction; John P. Grace Memorial Bridge (Charleston, S.C.); Timber; Railroads; Ships
Description
Image #474 (4.5" x 2.75"): "6-21-29. Erecting the last bottom chord section L19' L21', north truss, east half of suspended span."; Image #475 (2.75" x 4.5"): "6-21-29. Connecting the closing bottom chord at L21'."; Image #476 (2.75" x 4.5"): "6-21-29. Closing B.C. joint L21'. Note 6" [diameter] pin and slotted hole with 7" movement for adjustment, temperature, etc."
Digital image copyright 2009, Charleston County Public Library. All rights reserved. For more information contact the Charleston Archive, Charleston County Public Library, 68 Calhoun Street, Charleston, SC 29401