Two-page carbon of a Goodyear memo from E. Everhart, Jr., Manager, LTA Engr Proj Admin to E. Brunner, Patent Engr dated Oct 22, 1948. A very useful memo listing airships produced by Goodyear for the Navy, Army and Goodyear. The list includes the designation (in the case of Goodyear, the airship name), volume and date of first ship produced in that class. But better than that, the memo is annotated in pencil with additions and corrections along with an additional column having numbers produced in each class. At the bottom of the second page is a short list updating to 1960. About fair-good; some edge chipping and fading. Two-hole punched at top and left margin. A very useful reference right from the horse's mouth!