1940s Bakcpack Copper Sprayer Restoration

This is an old Vermorel type copper backpack sprayer. This tool can be used from farmers to spray flowers, vines and many more.
The copper and brass parts was oxidized, metal parts was rusty and some gaskets was in bad condition.

Removing all parts and restoration just started

To remove the patina from small parts I made a diy paste with flour vinegar and salt 1:1:1

For the body I used vinegar and salt

After cleaning the patina, sanding with 1000 and 2000 water paper and then polishing with a buffing wheel.

Removing the rust from parts and painting with primer and black color.

Replacing the some parts

Assembling it again

Video