Same here. Please go on , and THANKS !
I have a color version of this drawing on really old Kodak paper. My grandpa worked for the Air Force and gave it to me as a gift.Do I have a photo copy of the original? is it worth anything?Source:
The SST Here it comes, ready or not
By Don Dwiggins, Doubleday & Co. Inc., 1968
Kelly Johnson's input on the SST and an illustration of a Continental Airlines SST. The caption is confusing on this one - citing the design as both Douglas and North American.