The Indefatigable class were the second class built of British battlecruisers which served in the Royal Navy and the Royal Australian Navy during World War I. The design represented a modest reworking
Australia in 1914
Right elevation and deck plan as depicted in Brassey's Naval Annual 1923 The layout depicted in this diagram is in reality that of the Invincible class. Armour thicknesses were those claimed by the Admiralty; actual thicknesses were in some places the same as claimed, but in many places less.
A 12-inch shell being rammed in HMAS Australia; note the interrupted screw of the breech
New Zealand at anchor, circa 1911–14
HMS New Zealand was one of three Indefatigable-class battlecruisers. Launched in 1911, the ship was funded by the government of New Zealand as a gift to Britain, and she was commissioned into the Roya
Indefatigable-class battlecruiser
…from the main battery for a 4-knot (7.4 km/h; 4.6 mph) speed advantage. Originally Indefatigable was the only ship of the class, but Australia and New Zealand were later built as part of a scheme to improve the defence of the Dominions by having each Dominion purchase a "fleet unit" of one battlecruiser, three…
New Zealand in Australia, May 1919
Starboard elevation and deck plan as depicted in Brassey's Naval Annual, 1915. Note: plan is of Invincible-class battlecruisers; the Indefatigable-class had a third superstructure element with 'P' & 'Q' turrets more widely spaced.
New Zealand's bell; this bell had previously been used on the battleship of the same name
William Lionel Wylie, Tower House, Portsmouth [HMS “New Zealand” fitting out]