Displacement Collection

Continental drift maps
Reconstruction of the map of the world for three periods according to the Displacement Theory. Figs 1-2 from The Origin of Continents and Oceans (1924) by Alfred Wegener

Growth of the submarine by G. H. Davis
The growth of the submarine from 1901 to 1912. In chronological order, they are: 1901-2 Holland Class, 1903-5 A Class, 1904-6 B Class, 1906-9 C Class, 1911 D Class and 1912 E Class

When the Hot Water Tap Runs Cold
Ingenious invention for improving the level of bath water, especially when hot water runs out, whereby the occupant inflates a large balloon to order to displace water and raise the level

HMS Courageous
Royal Navy - HMS Courageous (pennant number 50'), in August 1938. HMS Courageous was the lead ship of her class of three battlecruisers built for the Royal Navy during the First World War

Cunard White Star, Lancastria deck plan with statistics

HMS Courageous, aircraft carrier
Royal Navy - HMS Courageous, an aircraft carrier, (formerly a battle-cruiser). HMS Courageous was the lead ship of her class of three battlecruisers built for the Royal Navy during the First World

HMS Courageous - Fleet aircraft carrier
Royal Navy - HMS Courageous, a Courageous-class battlecruiser built for the Royal Navy during the First World War. Designed to support the Baltic Project championed by First Sea Lord John Fisher

Moroccan civilians on the Green March
A road is filled with trucks and buses carrying Moroccan civilian men into Western Sahara to take part in the Green March, a mass demonstration of 350, 000 people organised by King Hassan II

Study for Exodus, by Frank Brangwyn, WW1
Study for Exodus, by Frank Brangwyn, depicting Belgian civilian refugees fleeing their homes during the First World War. Brangwyn was Belgian by birth. circa 1918

Photograph used by Frank Brangwyn for Exodus painting
Squared photograph used by the artist Frank Brangwyn for his Exodus painting, depicting Belgian civilian refugees fleeing their homes. Brangwyn was Belgian by birth. circa 1918

Aquitania and Vaterland compared by G. H. Davis
The Aquitania (British) and Vaterland (German) compared. Showing their relative length, displacement, engines and horsepower. Date: 1914

The Channel Island in German Hands, Evacuees
Refugees from the Channel Islands arriving in London following the German occupation of the islands. Date: 1940

Refugee boy scout in Mauritius
A Jewish refugee boy scout in Mauritius, carrying supplies for his patrol during an outdoor activity. He came from Danzig (now Gdansk, Poland). Date: circa 1940s

Growth of the big ship by G. H. Davis
Growth of the big ship: examples now being built by the great naval powers. A diagram illustrating the latest ships produced by France, Germany, the USA, Britain, Russia, Italy and Austria

Anniversary of Trafalgar by G. H. Davis
The anniversary of Trafalgar: what changes the century has wrought. George IIIs ship, the Victory, compared with George Vs ship, named after himself. Date: 1913

Weighing Barge Load
Calculating the weight of a barge load by displacement of water, on the Grand Union Canal, England. Barges are paid according to weight of freight being carried. Date: 1950s

The U. S. Battleship Maine
The U.S. Battleship Maine. Twin Screw; Length, 318 Feet; Breadth, 57 Feet; Displacement, 6, 682 Tons. Destroyed in the Harbor of Havana, February 15th, 1898

X-Rays of Dogs Hips
Mr. John Dall studies x-ray plates showing various types of hip displacement injuries in dogs. Date: late 1960s

Displaced Scouts and Guides in Germany
A large group of displaced Lithuanian Scouts and Guides and their leaders sitting on a monument in Germany. 1940s

The Winans Ocean Steamer, 1858
Engraving of the Winans Ocean Steamer cigar ship, launched at Ferry Bay, Baltimore, on 6th October 1858. Intended as an ocean-going vessel, she was 180 feet long and had a displacement of 350 tons

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