try ebay
World War 1, Russian revolution, World War 2, ...
The link below in the related links section has multiple maps of the states throughout the Civil War.
The Franco-Prussian War, World War 1.
May Bartlett - World War 2
World War 1 and most of World War 2.
One method is to take one thread sample from the map and burn it. Rayon will melt but silk will burn. Most "silk" maps made in WW2 were actually rayon. A few of the early maps were silk and these were usually crude maps and not in color. In 1943 the British also began using viscose rayon and cuprammonuium, a form of rayon commonly known asBemberg silk or copper rayon. The following site identifies most of the escape maps used by the Americans and many of those used by the British. http://www.escape-maps.com/
Some can be as low as $20 and some as high as $150. Many of the silk maps(most made of rayon) printed for Japan and the invasion of Japan were never used. So there is a large surplus of these and their value is less than a silk map of Europe or an early one printed actually on silk. See link: www.silkmap.com
Silk
Silk.
It was imported from the Orient which was at war
First answer silk BUT Wikipedia says: "Bill Pittendreigh, DuPont, and other individuals and corporations worked diligently during the first few months of World War II to find a way to replace Asian silk with nylon in parachutes.Bill Pittendreigh, DuPont, and other individuals and corporations worked diligently during the first few months of World War II to find a way to replace Asian silk with nylon in parachutes." Can someone clarify?
You could get the World at War zombie maps if you pre-ordered a special edition. The multiplayer maps are not available.
some maps are castle,upheavel,cliffside,and downfall.
Sonar, RADAR and satellites and space travel improved the accuracy of maps after World War 2.
cotton or silk
Custom maps are only available for PC.
It was not considered modest for girls to show their legs during WWII, and silk was used for parachutes and maps.