Ocean Route Map of the World with Colonial Possessions, 1920
An ocean route map of the world from 1920 in Gall's Stereographic Projection, showing primary steamship routes with distances between ports given in nautical miles. This map is color–coded to show the possessions of the United States, Great Bri...

British Empire, 1920
A cordiform (heart–shaped) map of the world from 1920, showing the extent of the British Empire at the time. British possessions are shown in red, with the names of smaller possessions (British Honduras, Bermuda, Bahamas, Jamaica, Trinidad, Fal...

The World in Hemispheres, 1920
A map from 1920 showing the world in hemispheric perspectives, including the Western and Eastern hemispheres, Southern and Northern polar hemispheres, and the ‘Land’ and ‘Water’ hemispheres. The Southern Hemisphere shown on th...

British Empire and Commercial Highways, 1920
A map of the world from 1920 showing the British Empire and commercial highways. This map uses the Mercator projection to show the extent of the British Empire (in pink, with the names of smaller possessions underlined in red), major railways, and st...

World Travel Chart, 1920
A world travel chart from 1920, showing the amount of time needed to travel to the various localities of the world starting in London. The map is color–coded to show the travel time required to travel from London within four days (yellow), 4 &n...

Density of Population, 1920
A world map from 1920 showing density of population throughout the world. This map is color–coded to show regions of population with density under 10 persons per square mile, to regions of population density of over 250 persons per square mile....

Commercial Languages of the World, 1920
A map of the world from 1920, showing the distribution of the commercial languages of the world, indicating where English, French, German, Portuguese, Spanish, Dutch, Russian, and Arabic are the predominant languages of commerce. ...

January Temperature Regions of the World, 1920
An isothermal chart of the world from 1920 showing typical mean temperature patterns for the month of January. Temperatures are shown on the isotherms, given in both degrees Fahrenheit and Celsius....

World Map, 1920
A world map from 1920 on a Gall's Stereographic Projection (a conformal, or angle–preserving projection similar to Mercator's), color–coded to show countries having foreign or colonial possessions, including the United States, Great Brita...

The World , 1920
A world map from 1920 on a Gall's Stereographic Projection (a conformal, or angle–preserving projection similar to Mercator's), color–coded to show countries having foreign or colonial possessions, including the United States, Great Brita...