Vann Bros. Ltd. [letterhead] : manufacturers of coldlite instruments : British patents 540806, 549791, 551146.

  • Vann Bros.
Date:
[1945?]
Catalogue details

Licence: In copyright

Credit: Vann Bros. Ltd. [letterhead] : manufacturers of coldlite instruments : British patents 540806, 549791, 551146. Source: Wellcome Collection.

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