| Signature mark | FA 004/2211 |
|---|---|
| Subject | Akte (1) |
| Title | Gutachten von Otto Beylich für das Staatsministerium des Innern über ein Patentgesuch des ehemaligen Hauptmanns Michael Thumser aus München über einen Lichtsammler |
| Duration | 1875 |
| Scope | 3 Bl. hs. |
| Subject area | Optik. Licht und Lichtmessung <315.04> |
| Rights notice | CC BY-SA 4.0 |
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