At the beginning of the first world war they plotted all military operations using these giant pins. Later in the conflict ‘map pins’ were developed and these ‘land pins’ became obsolete.
Another fascinating example of how the horrors of war pushed technology forwards in civilian applications.
At the beginning of the first world war they plotted all military operations using these giant pins. Later in the conflict ‘map pins’ were developed and these ‘land pins’ became obsolete. Another fascinating example of how the horrors of war pushed technology forwards in civilian applications.
Imho joke answers should be against the rules of the sub.