Sugar Shaker? Salt Shaker? Some kind of filter? What do you think?
1st CLUE: Was sold in the mid-1940s
FIRST guess was a sugar shaker from a Hoosier.
NOPE! More photos…
Yeah we have a winner Becky Fitzgerald is correct…..Mothball atomizer to attach to a vacuum cleaner
ANSWER: Mothball atomizer used to treat closets and storage areas for moth damage prevention. Attaches to vacuum exhaust end. Glass canister was filled with moth ball flakes and used to fumigate.