Hub for folding propeller # 9156
Description
A record of casting production for pattern number 9164. No pattern sketch on recto. Inscription on recto reads "1 1/4" Shaft" "Dr. No. 6-111".
A record of casting production for pattern number 9164. No pattern sketch on recto. Inscription on recto reads "1 1/4" Shaft" "Dr. No. 6-111".