NRS-15445 | Calculations and office specification for the Sydney Harbour Bridge (Volume 1)

This volume is part 1 of the calculations and office specifications for the design of the Sydney Harbour Bridge recommended by the Public Works Committee.The volume is signed by Louis M. Roberts, Designing Engineer and John J.C. Bradfield, Chief Engineer. Each page of the volume is initialled and dated by Louis M. Roberts.The number 3F/175 appears on the front endpapers of this volume. Its significance is unknown. It was possibly a location symbol when the record was active or in storage. Custody HistoryThis record was handed to the Archives Authority of NSW on 11 June 1968 by the Bradfield family. It was apparently an archival estray.

本卷册为公共工程委员会推荐的悉尼海港大桥设计计算与办公规范的第一部分。本卷册由设计工程师Louis M. Roberts与总工程师John J.C. Bradfield签署，每页均由Louis M. Roberts签署首字母并标注日期。本卷卷首衬页标注有编号3F/175，其含义未知，推测可能是该记录在使用中或存档时的位置标识。保管历史：本记录于1968年6月11日由Bradfield家族移交至新南威尔士州档案管理局，显然为一件档案失散件（archival estray）。