'After watching smoke emitted by WWI airplanes, Major J.C. Savage developed the technique for this'
skywriting
20th CENTURY INNOVATIONS: After watching smoke emitted by WWI airplanes, Major J.C. Savage developed the technique for this
After watching smoke emitted by WWI airplanes, Major J.C. Savage developed the technique for this
After watching smoke emitted by WWI airplanes, Major J.C. Savage developed the technique for this
20th CENTURY INNOVATIONS
skywriting
20th CENTURY INNOVATIONS