![Histological microscope by Collins](https://coimages.sciencemuseumgroup.org.uk/314/300/large_smg00024022.jpg)
Histological microscope by Collins
Histological microscope by Collins, one eyepiece
Histological microscope by Collins, with 1 inch and 1 1/4 inch objectives, one eyepiece
Histological microscope by Collins, one eyepiece
1-inch objective for Collins histological microscope
1 1/4 inch objective for Collins histological microscope