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| Part of collection(s): | instruments, camera lucida, microscopes |
| Author/Artist: | Leiss, Carl |
| Title: | -- |
| Description: | Spektralocular nach Abbe. In: Leiss, Carl: Die optischen Instrumente der Firma R. Fuess, deren Beschreibung, Justierung und Anwendung. Leipzig 1899, p. 221, fig. 125 |
| Year: | 1899 |
| Measures: | -- |
| Medium/Material: | Book illustration |
| Location: | -- |
| Source/Literature: | show source |
