Brazilian protected cruiser Almirante Barroso.

Ship details: http://warshipsresearch.blogspot.ca/2011/12/brazilian-protected-cruiser-barroso-or.html

Imperial Japanese Navy armoured cruiser Yakumo in Australia.

Ship details: http://en.wikipedia.org/wiki/Japanese_cruiser_Yakumo

On the deck of the French armoured cruiser Amiral Aube in 1902.

Showing the 194 mm/50 (7.64") Model 1902 forward gun.
Ship details: http://en.wikipedia.org/wiki/French_cruiser_Amiral_Aube

Imperial Russian navy predreadnought battleship Imperator Aleksandr III at Reval in 1904.

Ship details: http://en.wikipedia.org/wiki/Russian_battleship_Imperator_Aleksandr_III_(1901)

German armoured cruiser SMS Scharnhorst.

Ship details: http://en.wikipedia.org/wiki/SMS_Scharnhorst

Battleship HMS Agincourt in 1916.

Ship details: http://en.wikipedia.org/wiki/HMS_Agincourt_(1913)

Battleships USS New York and USS Texas light up the New York City night sky, May 3rd 1939, during the New York World's Fair.

Ship details: http://en.wikipedia.org/wiki/USS_New_York_(BB-34)
Ship details: http://en.wikipedia.org/wiki/USS_Texas_(BB-35)

Italian battleship Littorio.

Ship details: http://en.wikipedia.org/wiki/Italian_battleship_Littorio

Imperial Japanese Navy battleship Kawachi at anchor.

Ship details: http://en.wikipedia.org/wiki/Japanese_battleship_Kawachi

Imperial Russian Navy battleship Imperatritsa Mariya, June 24th 1915.

Ship details: http://en.wikipedia.org/wiki/Russian_battleship_Imperatritsa_Mariya

Léon Gambetta class French armoured cruiser Victor Hugo in 1907.

Class details: http://en.wikipedia.org/wiki/Léon_Gambetta-class_cruiser

Deutschland class German predreadnought battleship.

I have seen this photograph identified as both the SMS Deutschland and the SMS Schleswig-Holstein. My gut feeling is it's the Deutschland due to the bow ornament.
Class details: http://en.wikipedia.org/wiki/Deutschland-class_battleship

Stern view of the Italian battleship Giulio Cesare, 1926.

Ship details: http://en.wikipedia.org/wiki/Italian_battleship_Giulio_Cesare

Battleship HMS Barham in 1937.

Ship details: http://en.wikipedia.org/wiki/HMS_Barham_(04)

Laundry day on predreadnought battleship USS Alabama, circa 1900.

Ship details: http://en.wikipedia.org/wiki/USS_Alabama_(BB-8)

Imperial Japanese Navy battleship Kirishima at Kure, Japan, March 10th1940.

Ship details: http://en.wikipedia.org/wiki/Japanese_battleship_Kirishima

Imperial Russian Navy predreadnought battleship Sinop at Sevastopol.

Ship details: http://en.wikipedia.org/wiki/Russian_battleship_Sinop

French predreadnought battleship Liberté on the Hudson River in 1909.

From Wikipedia: "1909 Hudson-Fulton Celebration" in 1909. From Saturday, 25 September, to Monday, 11 October 1909, the U.S. state of New York commemorated the 300th anniversary of the discovery of the Hudson River by Henry Hudson in 1609 and the 100th anniversary of the first successful navigation of the river with a steamboat Robert Fulton in 1807."
Ship details: http://en.wikipedia.org/wiki/French_battleship_Liberté

Kaiser class German battleship SMS König Albert.

Ship details: http://en.wikipedia.org/wiki/SMS_König_Albert

Italian armoured cruiser San Marco coaling up.

Ship details: http://en.wikipedia.org/wiki/Italian_cruiser_San_Marco

Iron Duke class battleship HMS Marlborough in 1912.

Ship details: http://en.wikipedia.org/wiki/HMS_Marlborough_(1912)

Predreadnought battleship USS Massachusetts in 1899.

Ship details: http://en.wikipedia.org/wiki/USS_Massachusetts_(BB-2)

Imperial Japanese Navy heavy cruiser Ashigara, Spithead Coronation Fleet Review, May 20th 1937.

Ship details: http://en.wikipedia.org/wiki/Japanese_cruiser_Ashigara

Imperial Russian Navy turret ironclad Petr Veliky before her 1904 reconstruction.

Ship details: http://en.wikipedia.org/wiki/Russian_ironclad_Petr_Veliky

Canadian light cruiser HMCS Ontario (former HMS Minotaur) docked in Vancouver harbour, May 20th 1948.

Ship details: http://en.wikipedia.org/wiki/HMCS_Ontario_(C53)

French predreadnought battleship Masséna, Toulon harbour, 1898-1899.

Ship details: http://en.wikipedia.org/wiki/French_battleship_Masséna

German predreadnought coastal defense battleship SMS Ägir.

Ship details: http://en.wikipedia.org/wiki/SMS_Ägir

Regioni class Italian protected cruiser Etruria on parade, Hudson-Fulton Celebration, Hudson River, New York,1909.

Ship details:

Displacement: ~2450 metric tons
Dimensions: 84.8m L, 12.03m W, 4.87m D
Machinery: 2 sets of three-cylinder triple expansion reciprocating steam engines, 2 propellers 7585 IHP
Speed: 19.8 knots at maximum power during sea trials
Endurance: ~2100 nautical miles
Armour: deck 51mm, tower 50mm
Armament as completed: four 6" 40-caliber guns, six 4.7" 40-caliber guns, eight 57mm 43-caliber guns, two machine guns, two 17,7" torpedo tubes
Armament 1905-1914: two 6" 40-caliber guns, eight 4.7" 40-caliber guns, eight 57mm 43-caliber guns, eight 37mm 20-caliber guns, 2 machine guns, two 17.7" torpedo tubes
Armament from 1915: six 4.7" 40-caliber guns, six 57mm 43-caliber guns, two 37mm 20-caliber guns, one machine gun, two 17.7" torpedo tubes

Etruria was laid down on April 4th 1889 at the Orlando Shipyard in Livorno (Italy), launched April 23rd 1891, and completed July 11th 1894. She sank on August 13th 1918 following the explosion of an ammunition barge in the Livorno harbour.

Source: Italian Warships of World War 1, by Aldo Fraccaroli, Ian Allan press, London, 1970, 304pp.

Blake class protected cruiser HMS Blenheim.

Ship details: http://en.wikipedia.org/wiki/HMS_Blenheim_(1890)

Battleship USS Idaho fitting out at New York Ship Building Corporation, June 23rd 1919.

Note the lack of hull-mounted secondary armament. According to navsource.org, she was the first battleship to be completed without such guns as their ports were plated over before her commissioning; however, the emplacements remained as her hull was otherwise like that of her sister ships.
Ship details: http://en.wikipedia.org/wiki/USS_Idaho_(BB-42)

Imperial Japanese Navy battleship Fuso, Mitajiri, Japan, 1928.

Ship details: http://en.wikipedia.org/wiki/Japanese_battleship_Fusō

Imperial Russian Navy predreadnought battleship Tsesarevich at Qingdao, summer 1904.

Ship details: http://en.wikipedia.org/wiki/Russian_battleship_Tsesarevich

French battlecruiser/fast battleship Strasbourg.

Ship details: http://en.wikipedia.org/wiki/French_battleship_Strasbourg

German predreadnought battleship SMS Elsass in Kiel.

I have seen this photograph identified as both the SMS Elsass and her sister ship SMS Hessen. The name plate seems to read Elsaß rather than Hessen under forensic sharpening but appears mirrored left to right.
Ship details: http://en.wikipedia.org/wiki/SMS_Elsass

Giuseppe Garibaldi class Italian armoured cruiser Varese at sea, October 1st 1904.

Class details: http://en.wikipedia.org/wiki/Giuseppe_Garibaldi_class_cruiser

Battleship HMS Ajax, Grand Harbour in Valetta, Malta, 1921.

Ship details: http://en.wikipedia.org/wiki/HMS_Ajax_(1912)

Heavy cruiser USS Chicago, Philadelphia Navy Yard, May 7th 1945.

Ship details: http://en.wikipedia.org/wiki/USS_Chicago_(CA-136)

Imperial Japanese Navy heavy cruiser Myoko, March 31st 1941.

Ship details: http://en.wikipedia.org/wiki/Japanese_cruiser_Myōkō

Imperial Russian Navy predreadnought battleship Tri Sviatitelia in Sevastopol.

She had the thickest armour ever carried by a Russian battleship and her 12" guns were 40 calibres in length, a gradual increase following the 35 calibres of the previous Navarin and 30 calibres of the Dvenadsat Apostolov.
Ship details: http://en.wikipedia.org/wiki/Russian_battleship_Tri_Sviatitelia

French predreadnought battleship Patrie.

Ship details: http://en.wikipedia.org/wiki/French_battleship_Patrie

German predreadnought battleship SMS Schlesien in Swinemünde.

Ship details: http://en.wikipedia.org/wiki/SMS_Schlesien

Italian protected cruiser Giovanni Bausan, Great International Naval Review (aka Columbian Naval Review), Hampton Roads, April-May 1893.

Ship details: http://en.wikipedia.org/wiki/Italian_cruiser_Giovanni_Bausan

Predreadnought battleship HMS Benbow in the 1890s.

Ship details: http://en.wikipedia.org/wiki/HMS_Benbow_(1885)