Tim O'Connor wrote:
"It says they're headed to Ford Motor Co in New Jersey. I wonder
if they are intended for aircraft spars, since at that time Ford
was in the airplane business..."

Negative. All of the Ford aircraft were all-metal designs.
http://www.fordtrimotor.org/vars.php?p=n7
http://www.fordtri-motor.com/


Ben Hom