Objects

Viewing Record 1235 of 1433
Previous Record  Next Record
Switch Views: Lightbox | Image List | List

trial case
TRIAL CASES, FRAMES AND REFRACTOR HEADS
trial case
Thomas Armstrong & Brother
Europe: United Kingdom, England, Lancashire, Liverpool; Europe: United Kingdom, England, Lancashire, Manchester
Early 20th c.
wood; metal; glass
overall: 54 x 262 x 192 mm

Wooden trial case with hinged lid and yellow metal clasp. Fixed internal rack of thirty four concave lenses in white metal frames with handles (one handle missing), thirty four convex lenses in yellow metal frames, four accessory lenses (stenopaeic slit, covered pinhole, occluder and red filter). Lens powers marked on white scales from +/-8.00 D to +/- 0.25 D.


2003.196

Gift of Mr Will Furniss, 2003



Related Media


2003.196b.jpg

2003.196.jpg

Browse by