M0016525: X-ray valve tube for heavy currents

Previous title, replaced March 2022: An X-ray valve tube for heavy currents.

Photograph of an x-ray valve tube for heavy currents inscribed "Polypher, Munchen", from c.1910. It was purchased by the Wellcome Historical Medical Museum in 1928 and accessioned in 1929 and again in 1958 (accession numbers R30835 and R35/1958). It is not held by Wellcome Collection.

December 1957

1 photograph glass plate negative; 10.2 x 12.7 cm

Wellcome Collection holds the accession registers which provide entries for the item: acc. number R30835 and acc. number R35/1958

Copyright is held by Wellcome Collection

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.

Please consult the digitised version as this item is fragile. Email library@wellcomecollection.org to request access to the physical item.