X-rays
notation: QC480-QC482.3
type: Concept
related: Vacuum-tubes

Vacuum technology
notation: TJ940
type: Concept

Electric discharges through gases
notation: QC710-QC711.8
type: Concept
related: Vacuum-tubes

Electron tubes
notation: TK7871.7-TK7871.84
type: Concept
related: Vacuum-tubes

Vacuum-tubes
related: X-rays
related: Electric discharges through gases
related: Electron tubes
created: 1986-02-11T00:00:00
notation: TK7871.72-TK7871.79
notation: TP159.V3
notation: TK6565.V3
modified: 1998-11-25T15:23:00
member: collection LCSHAuthorizedHeadings
member: collection LCSH General
type: Concept
broader: Vacuum technology
in scheme: lcsh