During the early 20th century, there were a number of entries into the manual vacuum ... the valve and piston pump type Dust Killer, and the bellows type Everybodies Vacuum Cleaner.

Vacuum pumps, while expensive, have a ton of uses, like vacuum sealing food or saving space with items in storage. Instead of buying one, though, you can convert an old bike tire pump into a ...

A manual pump can be useful in the early postpartum period ... the suction frequency (“cycle”) and the suction strength (“vacuum”) separately, so you can customize the suck to more ...