Objects
Viewing Record 4 of 7Previous Record Next Record
Switch Views: Lightbox | Image List | List
Freeman bi-chromatic test
OPTOMETRIC INSTRUMENTS
bi-chromatic test
Harry Freeman
Europe: United Kingdom, England, London
Mid-late 20th c.
plastic
overall: 157 x 91 x 45 mm
2001.311
OPTOMETRIC INSTRUMENTS
bi-chromatic test
Harry Freeman
Europe: United Kingdom, England, London
Mid-late 20th c.
plastic
overall: 157 x 91 x 45 mm
One of three prototype OMIS and bi-chromatic tests devised at home by Harry Freeman. White plastic light box with red/green test film applied to bulb screen. Also features a Freeman OMIS Near Unit test and illuminated near vision test types N5-N10.
2001.311
Gift of Mr Philip Freeman, FCOptom, 2001