Details
- TitleVariable magnification with magnetic lens
- ReferenceUK0108 NAEST 148/1/27
- Date1937-02-02
- Scope and ContentBy Lubszynski and Harold Miller. Published as Patent No. 492,167
- Physical descriptionNumber of pieces: 1, Pages/folios: 1
- LanguageEnglish.
- Persons keyword
- Subject
- Conditions governing accessOpen access
- Level of descriptionfile