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| Title | Maker | Date Made | |
| Axiometer | William Gowlland Ltd | Early 20th c. | View |
| Cone (Prism) Test Lens | Mid 20th c. | View | |
| Half-Frosted Disc | Ellis Optical Company | Mid 20th c. | View |
| Priestley Smith Keratometer Trial Lens | Ellis Optical Company | Mid 20th c. | View |
| Stenopaeic slit disc with handle | Mid 20th c. | View |