Preferred term
522.5 Hjelpeinstrumenter
Broader concept
Broader conceptEntry terms
Alternative terms for the concept.- Kronografer--astronomi
- Kronometre--astronomi
- Personlig ligning-maskiner
- Sideriske klokker--astronomi
Identifier
- ocd00145913
Notation
Code that uniquely identifies a concept within a concept scheme.- 522.5
URI
http://dewey.info/class/522.5/e23/