![](https://coimages.sciencemuseumgroup.org.uk/506/483/large_thumbnail_smg00261400.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/506/483/large_thumbnail_smg00261400.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/506/480/large_thumbnail_smg00261397.jpg)
Hydrometer, cased
![](https://coimages.sciencemuseumgroup.org.uk/506/594/large_thumbnail_smg00261578.jpg)
Glass hydrometer in case
![](https://coimages.sciencemuseumgroup.org.uk/423/6/large_thumbnail_smg00197895.jpg)
Hydrometer, mercury in glass lactometer, with case
1830-1920
![](https://coimages.sciencemuseumgroup.org.uk/506/486/large_thumbnail_smg00261403.jpg)
Hydrometer, lead shot in glass
1861-1920
![](https://coimages.sciencemuseumgroup.org.uk/506/531/large_thumbnail_smg00261449.jpg)
Glass hydrometer in case by James Wooley
![](https://coimages.sciencemuseumgroup.org.uk/507/129/large_thumbnail_smg00268155.jpg)
Saccharometer in cardboard case
![](https://coimages.sciencemuseumgroup.org.uk/506/534/large_thumbnail_smg00261452.jpg)
Hydrometer, broken, with leather case
1830-1920
![](https://coimages.sciencemuseumgroup.org.uk/507/142/large_thumbnail_smg00268168.jpg)
Sikes alcoholometer
![](https://coimages.sciencemuseumgroup.org.uk/1/944/large_thumbnail_a608033.jpg)
Glass lactometer, England, 1875-1900
1875-1900
![](https://coimages.sciencemuseumgroup.org.uk/506/470/large_thumbnail_smg00261387.jpg)
Glass hydrometer with mercury
1859-1872
![](https://coimages.sciencemuseumgroup.org.uk/506/445/large_thumbnail_smg00260799.jpg)
Hydrometer, with wooden case
1830-1930
Hydrometer, cased, by Kemp and Co. of Edinburgh
Hydrometer and metal case, French(?), 1830-1920
1830-1920