![Specimen jar containing unrefined cod liver oil made by Sir Jack Cecil Drummond, c.1920 | Science Museum Group Collection Specimen jar containing unrefined cod liver oil made by Sir Jack Cecil Drummond, c.1920 | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/310/517/medium_SMG00027685.jpg)
Specimen jar containing unrefined cod liver oil made by Sir Jack Cecil Drummond, c.1920 | Science Museum Group Collection
The Englishman's food : a history of five centuries of English diet : Drummond, J. C. (Jack Cecil) Sir, 1891-1952 : Free Download, Borrow, and Streaming : Internet Archive
![Specimen jar containing cholesterol, made by Sir Jack Cecil Drummond, c.1920 | Science Museum Group Collection Specimen jar containing cholesterol, made by Sir Jack Cecil Drummond, c.1920 | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/310/512/medium_thumbnail_SMG00027680.jpg)
Specimen jar containing cholesterol, made by Sir Jack Cecil Drummond, c.1920 | Science Museum Group Collection
![British Scientist Jack Cecil Drummond Murdered Together With Wife And 10-Year-Old Daughter - YouTube British Scientist Jack Cecil Drummond Murdered Together With Wife And 10-Year-Old Daughter - YouTube](https://i.ytimg.com/vi/tuDUZaH7aW8/maxresdefault.jpg)
British Scientist Jack Cecil Drummond Murdered Together With Wife And 10-Year-Old Daughter - YouTube
![Specimen jar containing marine diatom made by Sir Jack Cecil Drummond, c.1920 | Science Museum Group Collection Specimen jar containing marine diatom made by Sir Jack Cecil Drummond, c.1920 | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/310/514/medium_thumbnail_SMG00027682.jpg)
Specimen jar containing marine diatom made by Sir Jack Cecil Drummond, c.1920 | Science Museum Group Collection
![Specimen jar containing cod liver oil made by Sir Jack Cecil Drummond c.1920 | Science Museum Group Collection Specimen jar containing cod liver oil made by Sir Jack Cecil Drummond c.1920 | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/310/521/medium_SMG00027689.jpg)