Contrast Filters

Physics

Accession Number: 2011.ph.464 1-2

Description:

2 Strips of paper containing eight 1.5 cm diameter holes over coloured plastic, a different color for each hle. In each strip the holes are labeled K1-K3 (various yellows), G (yellow), A (orange), B (green), C (blue), F (red)

Alternative Name:

Primary Materials: Paper, coloured plastic film

Markings:

Labelled as a commercial set of contrast filters

Dimensions (cm):

Length = 23.5cm, Width = 4.4, Height = .3

Function:

Used to provided coloured light together with light projector num. 2011.ph.463

Condition:

Associated Instruments: 2011.ph.463 light projector

Manufacturer: Eastman […] Roch[ester, NY]

Date of Manufacture: Mid-20th century

Provenance:

Historical Notes: