Meter, exposure

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OBJECT TYPE
SELENIUM
DATE
1938
ARTIFACT NUMBER
1994.0468.001
MANUFACTURER
Weston Electrical Instrument Corp.
MODEL
650
LOCATION
Newark, New Jersey, United States of America

More Information


General Information

Serial #
5001859
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
SYNTHETIC CASING & PARTS/ GLASS LIGHT COLLECTOR, METER WINDOW/ LEATHER CASE/ FABRIC STRAP

Dimensions

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

Length
11.0 cm
Width
6.4 cm
Height
3.7 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Photography
Category
Still camera accessories
Sub-Category
N/A

Manufacturer

AKA
Weston
Country
United States of America
State/Province
New Jersey
City
Newark

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
EQUIPMENT OWNED BY CAMERON M. EDWARDS, DONOR'S GRANDFATHER, WHO DIED IN 1978. HE WAS AMATEUR PHOTOGRAPHER/CINEMATOGRAPHER. IN 1920S-1930S HE WAS APPOINTED AS ASSISTANT TO GOVERNOR-GENERAL OF DAY, GIVING HIM ACCESS TO FILM VENUES SUCH AS ROYAL TOUR, INCLUDING VISITS TO PARLIAMENT HILL, HARRINGTON LAKE, ETC. SOME OF HIS FILMS ARE NOW AT NAC UNDER C.M. EDWARDS.
Function
GAUGE USED IN PHOTOGRAPHY TO MEASURE INTENSITY OF LIGHT IN ORDER TO ASCERTAIN NECESSARY DURATION OF EXPOSURE WHEN TAKING PHOTOGRAPH.
Technical
IN 1932 WESTIN INTRODUCED WESTON UNIVERSAL 617 PHOTOELECTRIC EXPOSUREMETER. THIS & MANY SUBSEQUENT METERS HAD SELENIUM PHOTOCELL & AMMETER WHICH MEASURED LIGHT LEVELS & CALCULATED APPROPRIATE EXPOSURES.
Area Notes
Unknown

Details

Markings
INCISED WHITE LETTERING ON BLACK PLATE ON BACK READS "WESTON/ EMULSION SPEEDS/ FILM OR PLATE DAY TUNG./ NO. 5001859/ MODEL 650/ WESTON ELEC. INST. CORP./ NEWARK, N.J., U.S.A."/ BLACK LETTERING ON DIAL FACE READS "MODEL 650 NO./ WESTON PHOTOTRONIC EXPOSURE METER" WITH PATENT INFO.
Missing
APPEARS COMPLETE
Finish
BLACK CASING/ WHITE DIAL FACE WITH BLACK MARKINGS & RED NEEDLE, COLOURLESS & TRANSPARENT WINDOW/ TRANSLUCENT LIGHT COLLECTOR/ BLACK STRAP/ BROWN CASE
Decoration
RAISED FAN-LIKE DESIGN WITH INCISED "WESTON" ON FRONT

CITE THIS OBJECT

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

Weston Electrical Instrument Corp., Meter, exposure, after 1938, Artifact no. 1994.0468, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1994.0468.001/

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