![](https://res.cloudinary.com/mitmuseum/image/upload/t_800/media-internal/HH.6.186.jpg)
Shell for 3/4" double block
![](https://res.cloudinary.com/mitmuseum/image/upload/t_800/media-internal/HH.2.03176.5.jpg)
Description
A record of casting production for pattern number 3176 1/2. No pattern sketch on recto. Inscription on recto reads "Dr. No. 74-4".
Related organizations
![](https://res.cloudinary.com/mitmuseum/image/upload/t_800/media-internal/HH.6.186.jpg)
A record of casting production for pattern number 3176 1/2. No pattern sketch on recto. Inscription on recto reads "Dr. No. 74-4".