# Sydney Harbour Bridge construction

**Source**: https://digital.library.sydney.edu.au/nodes/view/7689
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7689
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# Sydney Harbour Bridge construction

Details

Collection Description

This collection includes items from 1870 through to 1931 document much of the early construction work for the Sydney Harbour Bridge. It ranges from demolition of buildings to the construction of workshops, excavations, and other construction work.

J.J.C. Bradfield, who designed and oversaw the building of the Harbour Bridge was the first doctorate of science in engineering awarded by the University of Sydney in 1924 with his thesis '[The City and Suburban Electric Railways and the Sydney Harbour Bridge'](https://ses.library.usyd.edu.au/handle/2123/11968)

Collection SummaryItems related to the construction of the Sydney Harbour Bridge, 1870 - 1929

\
\
\
\

Image

[\

Album of photos of the Sydney Harbour Bridge Construction 1927-1931.](https://digital.library.sydney.edu.au/nodes/view/10796)

[\

Sydney Harbour Bridge photographs, 1887-1931.](https://digital.library.sydney.edu.au/nodes/view/15169)

[\

Sydney Harbour Bridge and city railway construction, Volume 1](https://digital.library.sydney.edu.au/nodes/view/7672)

[\

Sydney Harbour Bridge and city railway construction, Volume 2](https://digital.library.sydney.edu.au/nodes/view/7674)

[\

Sydney Harbour Bridge and city railway construction, Volume 3](https://digital.library.sydney.edu.au/nodes/view/7677)

[\

Workers on the Sydney Harbour Bridge](https://digital.library.sydney.edu.au/nodes/view/13789)

[\

The Sydney Harbour Bridge under construction](https://digital.library.sydney.edu.au/nodes/view/13785)

[\

Francis De Groot apprehended,1932](https://digital.library.sydney.edu.au/nodes/view/13784)

[\

Construction of Sydney Harbour Bridge (1930)](https://digital.library.sydney.edu.au/nodes/view/13783)

[\

Francis De Groot - opening of Sydney Harbour Bridge, 1932](https://digital.library.sydney.edu.au/nodes/view/13782)

[\

The joining of Sydney Harbour Bridge (1930)](https://digital.library.sydney.edu.au/nodes/view/13771)

[\

Large ships in the harbour during Sydney Harbour Bridge opening celebrations](https://digital.library.sydney.edu.au/nodes/view/13763)

[\

Small motorboats during Sydney Harbour Bridge opening celebrations](https://digital.library.sydney.edu.au/nodes/view/13762)

[\

Aerial shot of water pageant during Sydney Harbour Bridge celebrations (1932)](https://digital.library.sydney.edu.au/nodes/view/13761)

[\

Site of Sydney Harbour Bridge NSW](https://digital.library.sydney.edu.au/nodes/view/13760)

[\

Water pageant at Sydney Harbour Bridge celebrations (1932)](https://digital.library.sydney.edu.au/nodes/view/13759)

[\

A message of goodwill and congratulation… (1932)](https://digital.library.sydney.edu.au/nodes/view/13758)

[\

Gov. Phillip & Sirius float at Sydney Harbour Bridge opening celebrations (1932)](https://digital.library.sydney.edu.au/nodes/view/13757)

[\

St. George District float at Sydney Harbour Bridge opening ceremony (1932)](https://digital.library.sydney.edu.au/nodes/view/13756)

[\

Water pageant at Sydney Harbour Bridge opening celebrations (1932)](https://digital.library.sydney.edu.au/nodes/view/13754)

[\

Float at Sydney Harbour Bridge opening celebrations (1932)](https://digital.library.sydney.edu.au/nodes/view/13753)

[\

Cutting the ribbon at Sydney Harbour Bridge opening celebrations (1932)](https://digital.library.sydney.edu.au/nodes/view/13752)

[\

Sydney Harbour Bridge (Birds-Eye-View)](https://digital.library.sydney.edu.au/nodes/view/13751)

Collection

[\

The Sydney Harbour Bridge (Berckelman collection)](https://digital.library.sydney.edu.au/nodes/view/14006)

*Sydney Harbour Bridge construction*. University of Sydney Library, accessed 10/03/2026, https://digital.library.sydney.edu.au/nodes/view/7689

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return {
[k]: v
}
};
const parseReq = (str) => str.replace("?", "&").split("&").map(e => e.split("=")).filter(e => e[0] != "").map(e => getNewObj(e[0], e[1]));
const getValue = (obj) => Object.values(obj);
//encode array of the elements
var encoding = function(str) {
var result;
try {
result = btoa(unescape(encodeURIComponent(str)));
} catch (e) {
console.error("Error on ENCODING FUNCTION." + e);
}
return result;
}
//decode string
var decoding = function(str) {
var result;
try {
result = decodeURIComponent(escape(atob(decodeURIComponent(str))));
} catch (e) {
console.error("Error on DECODING FUNCTION." + e);
}
return result;
}
//parse string
var jsonParse = function(param) {
var result;
try {
result = JSON.parse(param);
} catch (e) {
console.error("Error on JSON PARSE FUNCTION." + e);
}
return result;
}
//XSS protection
var encodingHtmlEntities = function(str) {
return String(str).replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;'); //.replace(/&/g, '&amp;')
}
//get localStorageKey from URL
const localStorageKey = parseReq(window.location.search).filter(e => Object.keys(e) == "lsk");
const otherKeys = parseReq(window.location.search).filter(e => Object.keys(e) != "lsk");
let searchParam = "";
otherKeys.forEach(e => {
searchParam += "&" + Object.keys(e) + "=" + Object.values(e);
});
//if don't have a key in URL break function
if ((localStorageKey && localStorageKey.length === 0)) return;
//get key from string
const KEY = localStorageKey[0].lsk;
//this key doesn't have a data break function
if (!window.localStorage.getItem(KEY) && !window.sessionStorage.getItem(KEY)) return;
var cleanLocalStorage = function() {
for (let key in window.sessionStorage) {
if ((key != KEY) && (key != "\_" + KEY)) {
window.sessionStorage.removeItem(key);
}
}
}
if (Object.keys(window.sessionStorage).length > 1) {
cleanLocalStorage();
}
//return current ID
var getCurrentId = function() {
let path = window.location.pathname.split('/');
return path[path.length - 1];
}
//get position of element in an array
var getPositionInArray = function(sessionStorage) {
for (let i = 0; i < sessionStorage.length; i++) {
if (Object.keys(sessionStorage[i])[0] == getCurrentId()) {
return i;
}
}
return 0;
}
//get range
var ss\_getRange = function(sessionStorage) {
const array = jsonParse(decoding(sessionStorage));
let position = Number(getPositionInArray(array));
return range = {
prev: array[position - 1] ? array[position - 1] : {},
current: array[position] ? array[position] : {},
next: array[position + 1] ? array[position + 1] : {},
position
}
}
//generate object of position, index, page and length
var getPosition = function() {
let arr = jsonParse(decoding(currentStorage.searchSet));
let position = {
page: currentStorage.page,
index: getPositionInArray(arr),
length: arr.length
};
return position;
}
var getByPosition = function(array, idx) {
return jsonParse(decoding(array))[idx];
}
if (!window.sessionStorage.getItem(KEY)) {
window.sessionStorage.setItem("\_" + KEY, window.localStorage.getItem(KEY));
window.localStorage.removeItem(KEY);
}
//get initial information from LocalStorage
const searchResult = jsonParse(decoding(window.sessionStorage.getItem("\_" + KEY)));
const itemsSet = searchResult.itemsSet;
const searchReq = decoding(searchResult.request);
const pageCount = jsonParse(searchResult.pageCount);
const countElem = jsonParse(searchResult.countElem);
//set local variable
let perPage = jsonParse(searchResult.perPage);
let requestWasSent = false;
//SESSION SECTION
let sessionKey = KEY;
//get sessionStorage by key, if it's not exist set null
let sessionStorage = window.sessionStorage.getItem(sessionKey) || null;
let sessionItemSet = "";
if (sessionStorage) {
sessionItemSet = JSON.parse(sessionStorage).searchSet;
} else {
sessionItemSet = itemsSet;
}
//create local state
let currentStorage = {
page: jsonParse(searchResult.currentPage),
prevSearchSet: "",
searchSet: sessionItemSet,
nextSearchSet: "",
current: ss\_getRange(itemsSet).current,
prev: ss\_getRange(itemsSet).prev,
next: ss\_getRange(itemsSet).next,
position: ss\_getRange(itemsSet).position
}
var setSessionStorage = function() {
window.sessionStorage.setItem(sessionKey, JSON.stringify(currentStorage))
}
//if sessionStorage empty set it with initialState of currentStorage
//if sessionStorage has this key update it with new value
if (!sessionStorage) {
let range = ss\_getRange(itemsSet);
setSessionStorage();
pageNumber = searchResult.currentPage;
} else {
let currentArray = jsonParse(sessionStorage).searchSet;
let currentPage = jsonParse(sessionStorage).page;
let currentRange = ss\_getRange(currentArray);
currentStorage.page = jsonParse(sessionStorage).page;
// currentStorage.current = ss\_getRange(itemsSet).current;
// currentStorage.prev = ss\_getRange(itemsSet).prev;
// currentStorage.next = ss\_getRange(itemsSet).next;
// currentStorage.position = ss\_getRange(itemsSet).position;
currentStorage.current = ss\_getRange(jsonParse(sessionStorage).searchSet).current;
currentStorage.prev = ss\_getRange(jsonParse(sessionStorage).searchSet).prev;
currentStorage.next = ss\_getRange(jsonParse(sessionStorage).searchSet).next;
currentStorage.position = ss\_getRange(jsonParse(sessionStorage).searchSet).position;
currentStorage.prevSearchSet = jsonParse(sessionStorage).prevSearchSet;
currentStorage.nextSearchSet = jsonParse(sessionStorage).nextSearchSet;
if (currentStorage.position === 0 && currentStorage.prevSearchSet != "") {
let prevSet = currentStorage.prevSearchSet;
currentStorage.prev = getByPosition(prevSet, jsonParse(decoding(prevSet)).length - 1);
}
if (currentStorage.position === jsonParse(decoding(currentArray)).length - 1 && currentStorage.nextSearchSet != "") {
let nextSet = currentStorage.nextSearchSet;
currentStorage.next = getByPosition(nextSet, 0);
}
setSessionStorage();
}
let nextPage = currentStorage.page;
//update set of nodes array
var updateLocalStorage = function(data, searchReq, pageNum) {
let newitemsSet = data.nodes.map(e => e.Node).map(e => {
let x = {
[e.id]: e.title
};
return x;
});
let newSet = encoding(JSON.stringify(newitemsSet));
let range = ss\_getRange(currentStorage.searchSet);
if (currentStorage.position == 0) {
currentStorage.prev = getByPosition(newSet, newitemsSet.length - 1);
currentStorage.prevSearchSet = newSet;
}
if (currentStorage.position == (jsonParse(decoding(currentStorage.searchSet)).length - 1) && jsonParse(decoding(currentStorage.searchSet)).length > 1) {
currentStorage.next = getByPosition(newSet, 0);
currentStorage.nextSearchSet = newSet;
}
setSessionStorage();
createButtonsBlock();
}
var sendRequest = function(direction) {
let pageNum = 1;
if (direction.page == 1) {
pageNum = direction.index == 0 ? 1 : (Number(direction.page) + 1);
} else if (direction.page > 1 && direction.page < pageCount) {
pageNum = direction.index == 0 ? (Number(direction.page) - 1) : (Number(direction.page) + 1);
} else {
pageNum = direction.index == 0 ? (Number(direction.page) - 1) : pageCount;
}
const regex = /(page=\d\*)/ius;
let otherReq = searchReq != "" ? (regex.test(searchReq)) ? searchReq.replace(regex, `page=${pageNum}`) : `${searchReq}&page=${pageNum}` : `?page=${pageNum}`;
let newRequest = (searchReq != "" && regex.test(searchReq)) ? searchReq.replace(regex, `page=${pageNum}`) : otherReq;
$.get('/nodes/search\_result/1' + newRequest, data => updateLocalStorage(data, newRequest, pageNum));
}
var getNewArrayOfIds = async function(position) {
if (position.index != 0 && position.index != position.length - 1) {
return;
}
if (((Number(position.index) == position.length - 1) && (Number(position.page) < pageCount)) ||
((Number(position.index) == 0) && (Number(position.page) > 1 && Number(position.page) <= pageCount))) {
if (!requestWasSent) {
await sendRequest(position);
requestWasSent = true;
}
}
}
var getURL = function(pathname = false) {
if (pathname) {
return window.location.origin + window.location.pathname;
}
return window.location.origin;
}
var getParam = function() {
return window.location.search
}
// Added directionForAria - to allow a screen reader to announce 'next item:item title.'
// Unsure if it's safe to change the exisiing data-dir for this - it may be referenced somewhere else.
var createBtn = function(id, title, direct, directionForAria) {
return `<span>
<a href="${getURL()}/nodes/view/${id}?lsk=${KEY}${searchParam}" aria-label='${directionForAria} Item:${title}' title="${encodingHtmlEntities(title)}" data-dir='${direct}'><i class='fa fa-chevron-${direct}'></i></a>
</span>`;
}
var createButtonsBlock = function() {
let rangePrev = Object.keys(currentStorage.prev).length > 0 ? currentStorage.prev : 0;
let rangeNext = Object.keys(currentStorage.next).length > 0 ? currentStorage.next : 0;
let prev = rangePrev != 0 ? rangePrev : "none";
let next = rangeNext != 0 ? rangeNext : "none";
let prevBtn = "<a href='#' style='pointer-events: none;'><i class='fa fa-chevron-left'></i></a>";
let nextBtn = "<a href='#' style='pointer-events: none;'><i class='fa fa-chevron-right'></a>";
if (prev != "none") {
prevBtn = createBtn(Object.keys(prev), Object.values(prev), "left", "Previous");
prevId = Object.keys(prev);
}
if (next != "none") {
nextBtn = createBtn(Object.keys(next), Object.values(next), "right", "Next");
nextId = Object.keys(next);
}
let pos = getPosition();
getNewArrayOfIds(pos);
let arrCount = perPage > 0 ? perPage : 24;
let searchPos = Number(pos.page) == 1 ? (pos.index + 1) : (((Number(pos.page) - 1) \* arrCount) + (pos.index + 1));
$el.innerHTML = `<div class="nav-btn left-btn">${prevBtn}</div>
<div class="nav-btn result-btn">Result ${searchPos} from ${countElem}</div>
<div class="nav-btn bingo right-btn">${nextBtn}</i></div>`;
$('[data-dir="left"]').one('click', () => {
if (pos.index == 0) {
nextPage = currentStorage.page - 1;
}
});
$('[data-dir="right"]').one('click', () => {
if (pos.index == pos.length - 1) {
nextPage = currentStorage.page + 1;
}
});
}
createButtonsBlock();
window.addEventListener('beforeunload', (event) => {
// DF 2023-02-15 R1X-8549 Should not call event.preventDefault() if we don't want
// to propmt the "Are you sure you want to leave the page"-dialog.
if (window.sessionStorage.getItem(sessionKey)) {
if (currentStorage.nextSearchSet != "" || currentStorage.prevSearchSet != "") {
if (currentStorage.page != 1 || currentStorage.page != pageCount) {
if (nextPage > currentStorage.page) {
currentStorage.prevSearchSet = currentStorage.searchSet;
currentStorage.searchSet = currentStorage.nextSearchSet;
currentStorage.nextSearchSet = "";
currentStorage.next = {};
}
if (currentStorage.page > nextPage) {
currentStorage.nextSearchSet = currentStorage.searchSet;
currentStorage.searchSet = currentStorage.prevSearchSet;
currentStorage.prevSearchSet = "";
currentStorage.prev = {};
}
currentStorage.page = nextPage;
}
}
setSessionStorage();
}
}, {
once: true
});
//TO HIDE PARAMS. IT REMOVES PARAMS FROM URL
// history.pushState("", null, getURL(true));
})()

#back-forward {
display: flex;
width: 100%;
max-width: 100%;
justify-content: space-between;
box-sizing: border-box;
/\* margin: 5px 0 5px 5px; \*/
border-radius: 4px;
}
.nav-btn {
padding: 5px;
background-color: #f0f0f0;
}
.left-btn {
border-radius: 2px 0 0 2px;
background-color: #fff;
border: 1px solid #e5e5ee;
}
.right-btn {
border-radius: 0 2px 2px 0;
background-color: #fff;
border: 1px solid #e5e5ee;
}
.result-btn {
/\* font-size: 1.1em;
font-weight: 700; \*/
width: 100%;
border-top: 1px solid #e5e5ee;
border-bottom: 1px solid #e5e5ee;
text-align: center;
}
#dialog-clone-form {
display: none;
}