Plate lifter joke

Before a meal, the small rubber bulb is placed underneath the tablecloth, directly below a plate to be used by an unsuspecting diner. All the joker has to do is secretly press the larger bulb on the other end of the rubber tube and the plate will suddenly bounce around, causing much astonishment.

Details

Date Probably early to mid 20th century.
Key Phrases
Category
Ref no N1409