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Ingenium, 1987.2073.001
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OBJECT TYPE: COLOUR BALANCING
DATE: 1930–1940
ARTIFACT NUMBER: 1987.2073.001

MANUFACTURER: Ilford Ltd.
MODEL: Unknown
LOCATION: London, England

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 5
AKA: N/A
Patents: N/A
General Description: GELATINE FILM FILTERS; PRESSED PAPER ENVELOPES

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 4.5 cm
Width: 4.5 cm
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Photography
Category: Still processing
Sub-Category: N/A

Manufacturer

AKA: ILFORD
Country: England
State/Province: Unknown
City: London

Context

Country: Canada
State/Province: Ontario
Period: PROBABLY USED C.1930S+
Canada: PART OF A LARGE & VARIED COLLECTION OF PHOTOGRAPHIC EQUIPMENT FROM HOPE GILLIES ROSS ESTATE. MUCH OF THIS COLLECTION IS ASSOCIATED WITH EARLY AMATEUR COLOR PROCESSING IN THE 1920S-1930S. IT IS CONSIDERED REPRESENTATIVE OF THE NORTH AMERICAN AMATEUR ENTHUSIAST OF THE PERIOD. (AS PER JAJ)
Function: TO PRODUCE COLOUR IMAGES ON PHOTOGRAPHIC FILM, SPECIFICALLY DUFAYCOLOR IMAGES
Technical: EXAMPLES OF SPECIALTY COLOUR FILTERS USED IN DUFAYCOLOUR PROCESS. IN THIS PROCESS A SCREEN OF SMALL-PARTICLEPRIMARY COLOUR FILTERS WAS LAID DOWN ON THE FILM SUPPORT BASE, OVER WHICH THE EMULSION WAS COATED. THE FILM WAS THEN EXPOSED THROUGH THIS BASE (REF.1, P.198)
Area Notes: Unknown

Details

Markings: .1-.5 ALL FILTER ENVELOPES BEAR IDENTICAL PRINTED TEXT ON FRONT: 'ILFORD/ COLOUR FILTER/ (Gelatine Film)./ ILFORD Limited,/ ILFORD. LONDON, ENGLAND'. RESPECTIVE FILTER SIZES ALSO STAMPED ON ENVELOPE FRONT/.1-.5 ALL FILTER ENVELOPES BEAR IDENTICAL PRINTED LABEL ON BACK: 'DUFAYCOLOUR FILTERS/ (Gelatine Film)/ Daylight...Ref.../ Half-Watt...Ref.../ Photoflood...Ref.../ Sashalite...Ref.../ W.F. Arc...Ref.../ Suitable only for use with/ Dufaycolor Batch.../ L.35'. FOR TRANSCRIPT OF UNIQUE MARKINGS, PLEASE SEE SUPP.INFO.
Missing: APPEAR COMPLETE - INSIDE WRAPPERS APPEAR SEALED
Finish: GREY WOVEN-TEXTURED ENVELOPES. FILTERS WRAPPED IN DARK PAPER.
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Ilford Ltd., Filter, circa 1930–1940, Artifact no. 1987.2073, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1987.2073.001/

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