# Medical mercury thermometer with velvet-lined cardboard box - focus stack (2020-05-25)

- By: Franz van Duns
- Date: 2020-05-25
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Medical_mercury_thermometer_with_velvet-lined_cardboard_box_-_focus_stack_(2020-05-25).jpg)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/b/bf/Medical_mercury_thermometer_with_velvet-lined_cardboard_box_-_focus_stack_%282020-05-25%29.jpg/1920px-Medical_mercury_thermometer_with_velvet-lined_cardboard_box_-_focus_stack_%282020-05-25%29.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Medical mercury thermometer and corresponding velvet-lined protective cardboard box. Manufactured in Germany before 1920. Hand-painted numerals to be read when held in vertical position. Length of glass tube: 126 mm.