The National Physical Laboratory : The President of the Royal Society and Lord Rayleigh, chairman of the General Board of the Laboratory, request the honour of the company of...
- National Physical Laboratory (Great Britain)
- Date:
- 1904
Licence: Public Domain Mark
Credit: The National Physical Laboratory : The President of the Royal Society and Lord Rayleigh, chairman of the General Board of the Laboratory, request the honour of the company of... Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/b15527852_EPH_25_19_0001.jp2/full/800%2C/0/default.jpg)