Zinc Ring
Description
A record of casting production for pattern number 10191. Pattern sketch on recto. Inscription on recto reads "Dr. No. 53-34".
Related organizations
Related objects
Zinc protectors for valves # 692
HH.5.03920
A record of casting production for pattern number 10191. Pattern sketch on recto. Inscription on recto reads "Dr. No. 53-34".
HH.5.03920