![](https://coimages.sciencemuseumgroup.org.uk/337/767/large_thumbnail_smg00044096.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/337/767/large_thumbnail_smg00044096.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/338/916/large_thumbnail_smg00044091.jpg)
Regnault's Specific Gravity Bottle, 1801-1876.
1801-1876
![](https://coimages.sciencemuseumgroup.org.uk/520/927/large_thumbnail_smg00208435.jpg)
Glass specific gravity bottle in iron container
1890-1935
![](https://coimages.sciencemuseumgroup.org.uk/507/113/large_thumbnail_smg00268139.jpg)
Specific gravity bottle
1700-1900
![](https://coimages.sciencemuseumgroup.org.uk/508/616/large_thumbnail_smg00279802.jpg)
Specific gravity bottle, glass, in tin case
![](https://coimages.sciencemuseumgroup.org.uk/507/120/large_thumbnail_smg00268146.jpg)
Specific gravity bottle
1700-1900
1801-1876
1890-1935
1700-1900
1700-1900