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| Title | Maker | Date Made | |
| Evans Group Three Stereograms | Evans Electrical Co Ltd | c.1948 | View |
| Evans Macular Suppression Slides for Orthoptic Therapy | Evans Electrical Co Ltd; J. & R. Fleming Ltd | c.1948 | View |
| Evans Stabilisation Stereograms for Orthoptic Therapy | Evans (Instruments) Ltd; J. & R. Fleming Ltd | c.1948 | View |
| Evans Stereo-Acuity Measuring Slides for Orthoptic Therapy | Evans Electrical Co Ltd | c.1948 | View |
| The Evans Diagnostic Apparatus | Evans Electrical Co Ltd; London Optical Company Ltd | 1946 | View |