M0019075: Optical diagrams by Helmhotz showing the use of the perforated mirror in ophthalmoscopy

Previous title, replaced October 2020: Optical diagrams by Helmhotz.

Diagram published in Engelking, E.: Dokumente zur Erfindung des Angenspiegels durch Hermann von Helmholtz im Jahre 1850, Munich: Bergmann, 1950

May 1962

1 photograph sheet film negative; 12 x 16.5 cm

Wellcome Collection holds the publication depicted in the glass plate negative

Catalogue data comes from a combination of entries in the original glass plate registers, metadata created when the glass plates were digitised in the early 2000s and enhancements made by the cataloguer in 2022.

This item is fragile. Email library@wellcomecollection.org to request access to the physical item.