Museum Mishap – Insect Sprayer

“What is it?” asked Tilly.
“Hmm?” Minerva had been too busy flipping through Pioneer portraits to notice the metal cylinder her intern had picked up. “What that? It’s an insect sprayer.”
“Sprayer? How does it work?” Tilly peered at the device dubiously.
Minerva went back to looking for the portrait of Mr. & Mrs. Elmore
T . Johnsen. “You pull back the handle and pump it.”
“Pump it?” asked Tilly.
“Yeah. Pull back that ball on the end and shove it forward real fast.” Minerva found the portrait and pulled it down from the shelf.
“Like this?”
Minerva turned and caught a cloud of insecticide residue in the face.