light filters (3)
Date1900-1930
Inventory NumberWJ0159a
ClassificationFilter
Subject
Maker
American
Cultural Region
Dimensions16.5 × 13 × 6.7 cm (6 1/2 × 5 1/8 × 2 5/8 in.)
box: 12.7 × 24.8 × 14.9 cm (5 × 9 3/4 × 5 7/8 in.)
box: 12.7 × 24.8 × 14.9 cm (5 × 9 3/4 × 5 7/8 in.)
Material
DescriptionThese devices were designed to filter light by making it pass through liquid-filled chambers. Each filter is made of a separate drum-shaped chamber with sealed glass windows. On top of two filters is a hole and two short tubes through which was added and removed. The tubes have cork stoppers.
Signedunsigned
Curatorial RemarksHoused in a lidless blue board box with WJ0159b and WJ0159c.
ProvenanceFrom the Department of Psychology, William James Hall, Harvard University.
Eastman Kodak Company
Date: circa 1929
Object number: 2007-1-0028a-e
Eastman Kodak Company
Date: 1925-1950
Accessories: sleeve and box
Object number: 2014-1-0063
Ernst Leitz (company)
Date: 1951-1960
Accessories: Two Compens 10x eyepieces; two Zeiss 10x eyepieces; many loose square filters (sized to fit in slots in eyepiece), some in felt bags; eight similar filters mounted in rectangular black metal frames marked (on masking tape) A1, A2, A3, A4, B1, B2, B3, B4; two larger rectangular glass mirrors.
Object number: 2007-1-0084
