![Hollow metal cylinder with internal plunger and spring. Found metal detecting at an old campground in the woods. Threaded cap attaches to internal plunger. No other visible attachment points or writing. : Hollow metal cylinder with internal plunger and spring. Found metal detecting at an old campground in the woods. Threaded cap attaches to internal plunger. No other visible attachment points or writing. :](https://i.redd.it/hollow-metal-cylinder-with-internal-plunger-and-spring-v0-w2mkr6gnrbwa1.jpg?width=3024&format=pjpg&auto=webp&s=c2c49b7a3bf901252e4d4dda258036d561876c33)
Hollow metal cylinder with internal plunger and spring. Found metal detecting at an old campground in the woods. Threaded cap attaches to internal plunger. No other visible attachment points or writing. :
![Sheet Metal Cylinders and Rings | Portfolio | Custom Metal Fabrication | Precision Metal Manufacturing | Dallas Texas Sheet Metal Cylinders and Rings | Portfolio | Custom Metal Fabrication | Precision Metal Manufacturing | Dallas Texas](https://www.baldwinmetals.com/images/sheet_metal_cylinders_and_rings/sheet_metal_cylinders_rings_1.jpg)
Sheet Metal Cylinders and Rings | Portfolio | Custom Metal Fabrication | Precision Metal Manufacturing | Dallas Texas
![freestylehome 25ml Measuring Cup Kitchen Bar Cooking Stackable Metal Laboratory Cylinder Jug Reusable Washable Home Container 50ml - Walmart.ca freestylehome 25ml Measuring Cup Kitchen Bar Cooking Stackable Metal Laboratory Cylinder Jug Reusable Washable Home Container 50ml - Walmart.ca](https://i5.walmartimages.com/asr/70e96f09-0ff0-451d-918e-80fa5bd6ce6f.e086526f849480111fab0cafcce71ca4.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
freestylehome 25ml Measuring Cup Kitchen Bar Cooking Stackable Metal Laboratory Cylinder Jug Reusable Washable Home Container 50ml - Walmart.ca
![Sheet Metal Cylinders and Rings | Portfolio | Custom Metal Fabrication | Precision Metal Manufacturing | Dallas Texas Sheet Metal Cylinders and Rings | Portfolio | Custom Metal Fabrication | Precision Metal Manufacturing | Dallas Texas](https://www.baldwinmetals.com/images/sheet_metal_cylinders_and_rings/sheet_metal_cylinders_rings_2.jpg)