M0015844: X-ray tube combined with a Villard valve, c.1900

Previous title, replaced March 2022: X-ray tube combined with a Villard valve.Circa 1900

Photograph of an x-ray tube combined with a Villard valve. The valve was used to suppress the inverse current. The item was purchased by the Wellcome Historical Medical Museum in 1929 and accessioned in 1956 (accession number R163/1956). It is not held by Wellcome Collection.

1957

1 photograph glass plate negative; 10.2 x 12.7 cm

Wellcome Collection holds the accession register which provides entries for the item: accession number R163/1956

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 2021.

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