Scott scanned and posted, “A page of charts and graphs from the July 7, 1917 issue of The Graphic displays, among other things, Lord Montagu’s ideas for how to divvy up airspace, the estimated annual cost of running a London-Paris air route, and the distances covered in one hour by different methods of transportation of the day. Perhaps the most entertaining part is its warning that with the coming age of non-military aviation, ‘there may be a revival of smuggling.'”
1917 aviation infographic: “Incidentally, there may be a revival of smuggling”
(Thanks, Scott!)