Before the invention of the vacuum cleaner, carpets and upholstery were taken outside and beaten once a year to get the dust out (the 'Spring' clean). Fitted carpets were totally impractical.Episode Contents:Models: Three different kinds (cylinder, upright, hybrid) of cut away vacuums. Homemade solenoid. Plastic bag car jack.Machines: Tim's automated hair raising, eye rolling portrait. Tim's "Common Ground" collecting box which simulates different footprints using a vacuum and a sheet of rubber.Guests: An array of ineffective hand powered vaccuums.Films: Singin hoover ad from the 30's.Extro: Flying vacuums!