![](https://res.cloudinary.com/mitmuseum/image/upload/t_800/media-internal/HH.6.186.jpg)
Turn buckle Nut
![](https://res.cloudinary.com/mitmuseum/image/upload/t_800/media-internal/HH.2.02748.jpg)
Description
A record of casting production for pattern number 2748. No pattern sketch. Inscription on recto reads "3/4" thread D" "Dr. No. 74-2". Writing continues on verso. Inscription on verso under "Sent To" indicates pattern was sent to a non HMCo foundry; in this case, "Grinnell Co." of Providence, RI.
Related organizations
![](https://res.cloudinary.com/mitmuseum/image/upload/t_800/media-internal/HH.6.186.jpg)