The museum also collects and preserves relics, artefacts and records of other Light Horse Regiments and the Royal Australian Armoured Corps.

Most young Australian volunteers who were destined to join the new armoured regiments, hurriedly being formed in Australia as the Japanese entered the war and moved to threaten the country, trained on these carriers while waiting for the arrival of Matilda Tanks from England.

The heritage vehicle fleet also includes the internationally acclaimed Matilda Tank named ACE, the first tank off the landing craft at Australia's largest ever armoured assault, carried out by the Lancers (then known as the 1st Armoured Regiment (AIF) (RNSWL) at Balikpapan, on the island then known as Borneo, in July 1945.

Left to rot in a paddock in the NSW Southern Highlands for over 50 years, when eventually recovered by museum volunteers, the consensus of opinion was that it could never be restored.

The whole collection therefore traces the active, ceremonial and peacetime service history, both at home and overseas, of the 1st/15th Royal NSW Lancers Regiment, from its inception in 1885 through to the present day.

Other important ceremonial events attended by the regiment include: the opening of State and Federal Parliaments (including inaugural Federal parliament); inauguration of site of new Australian Capital, Canberra; the opening of Sydney Harbour Bridge and the parade for the visit of the Great White Fleet to Australia in 1908.

In addition to ceremonial duties performed at home, detachments of the Lancers travelled to England in 1893 to form part of Queen Victoria's escort for the opening the Imperial Institute.

In WWI the regiment fought at Gallipoli as the famed 1st Light Horse and in Sinai and Palestine as part of the Desert Mounted Corps.

The items on display to the public, except the Museum's collection of armoured fighting vehicles, are held in "Linden House" an 1820s era Georgian, sandstone building built by the wife of Governor Darling as the first women's school of industry in the colony.

[1] The Royal NSW Lancers Memorial Museum Collection spans the entire 125-year history of the regiment which commenced in 1885 as the first gazetted cavalry unit in the colony.

including visits to England in 1893 and again for Queen Victoria's Jubilee celebrations in 1897, on both occasions the regiment's contingent provided part of the Sovereign's escort.

In NSW, as the original Vice Regal escort, the Museum holds rare photographs and memorabilia of such events as the visit of the American Great White Fleet in 1908, the opening of the Sydney Harbour Bridge, the opening of pre Federation Parliaments and the dedication of the site of modern-day Canberra.

[1] A brief list of just some of the significant items held in the collection includes: Lt Col McArthur-Onslow's drinking mug which he described as his "bath" while at Gallipoli; The 1st/15th Royal NSW Lancers Memorial Museum Collection is of State heritage significance because it documents the complete and continuous history of Australia's oldest and most highly decorated regiment from its inception through to the present day.

It includes significant items relating to:[1] The collection also contains the first versions of five poems written by Banjo Paterson during the period he was a war correspondent in South Africa.

[1] The collection contains relics, artefacts and documents that bear testimony to the contribution of individual members of the regiment to major Australian conflicts.

[1] 1st-15th Royal NSW Lancers Memorial Museum Collection was listed on the New South Wales State Heritage Register on 14 May 2010 having satisfied the following criteria.

The 1st/15th Royal NSW Lancers Memorial Museum Collection documents the complete and continuous history of Australia's oldest and most highly decorated regiment from its inception, in 1885, through to the present day.

[1] The place is important in demonstrating aesthetic characteristics and/or a high degree of creative or technical achievement in New South Wales.

The collection is of State significance as it shows the evolution of the uniforms, weaponry and equipment of the Australian cavalry, from horses and lances through to early mechanisation and the introduction of heavy armoured vehicles.

[1] The collection is also significant for its ability to demonstrate the creative writing process of renowned Australian Poet Banjo Paterson.

The collection is of State heritage significance as it has the potential to provide information, not available from other sources, on the following subjects:[1] The place possesses uncommon, rare or endangered aspects of the cultural or natural history of New South Wales.

[1] The collection includes over 50 items identified as being of National significance and some of International significance including:[1] Internationally rare Bergaman MP 18.1 sub-machine gun, the forerunner of all subsequent machine guns; This Wikipedia article was originally based on 1st/15th Royal NSW Lancers Memorial Museum Collection, entry number 01824 in the New South Wales State Heritage Register published by the State of New South Wales (Department of Planning and Environment) 2018 under CC-BY 4.0 licence, accessed on 2 June 2018.