![](https://coimages.sciencemuseumgroup.org.uk/411/628/large_thumbnail_smg00043588.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/411/628/large_thumbnail_smg00043588.jpg)
![](https://coimages.sciencemuseumgroup.org.uk/483/105/large_thumbnail_smg00254298.jpg)
Bent discharge rod
1820-1880
![](https://coimages.sciencemuseumgroup.org.uk/308/166/large_thumbnail_smg00026069.jpg)
Continental bull's eye condenser, 19th century
1801-1900
![](https://coimages.sciencemuseumgroup.org.uk/309/446/large_thumbnail_smg00025616.jpg)
King's aquarium microscope
1871-1900
![](https://coimages.sciencemuseumgroup.org.uk/305/431/large_thumbnail_smg00027275.jpg)
Model of a 17th century simple microscope
1901-1930
Bull's eye condenser, English, late 19th century
1851-1900
Skin microscope
1851-1900