general/vacuum

Space that is empty of matter

Release of a gas that was inside of some material

Type of vacuum cleaner appliance

Non-electric vacuum cleaner

Double-walled insulated storage vessel

Vacuum insulated container

Thermal conductivity gauge

Type of vacuum pump

High vacuum pump

Type of vacuum pump

Type of vacuum pump

Pump designed to create and maintain high vacuum

Vacuum pump

Glass jar used in scientific experiments

Artificial vacuum with very low pressure

Enclosure with very low air pressure used for experiments and testing

Flange used in connecting vacuum equipment

Early electronic computer produced in 1949

Librascope General Purpose computer (1956)

Display used in consumer electronics

Type of discharge tube

CRTs designed for use as computer memory

Plug-in vacuum tube holder

Miniature high-gain dual triode vacuum tube

Miniature medium-gain dual-triode vacuum tube

Miniature medium-gain dual triode vacuum tube

Model of double triode vacuum tube

Tetrode used in radio transmitters

Type of vacuum tube

Family of VHF/UHF vacuum tubes

Type of electronic circuit

Miniature 9-pin dual triode vacuum tube

Medium gain double triode vacuum tube

Beam tetrode vacuum tube

Type of vacuum tube

Russian vacuum tube brand

Output beam tetrode

Wire screen used to suppress secondary emission in vacuum tubes

Vacuum tube (valve)

Type of tetrode vacuum tube