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Title | Maker | Date Made | |
confirmation test | Mid-Late 20th c. | View | |
crossed cylinder confirmation test | 20th c. | View | |
set of binocular confirmation tests | 20th c. | View | |
Simultan Test & case | Zeiss (Oberkochen); London Optical Company Ltd | c.1970 | View |
Simultantest (modification) | Hooke, W. I. | 1970 | View |