General Information

Serial #

N/A

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

METAL (ALUMINUM?) HOUSING & SHUTTER; FELT BACK/ CARDBOARD BOX

Dimensions

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

Length

19.2 cm

Width

19.2 cm

Height

2.4 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Photography

Category

Still camera parts

Sub-Category

N/A

Manufacturer

AKA

MICHIGAN

Country

United States of America

State/Province

Michigan

City

Kalamazoo

Context

Country

Canada

State/Province

Ontario

Period

C.1930S+

Canada

PART OF A COLLECTION OF PHOTOGRAPHY EQUIPMENT ACQUIRED FROM A HISTORICALLY WELL-ESTABLISHED OTTAWA STUDIO. JOSEF KARSH WORKED THERE DURING HIS EARLY YEARS. HIS BROTHER, MALAK KARSH, MAY ALSO HAVE BEEN ASSOCIATED WITH STUDIO AQUARIUS (UNCONFIRMED). (AS PER JA JOHNSTON- SEE SUPP.INFO.)

Function

TO ADMIT LIGHT OF LIMITED INTENSITY & DURATION INTO CAMERA AND ONTO UNEXPOSED FILM

Technical

FIRST MODERN DIAPHRAGM DESIGN PAT'D IN ENGLAND IN 1887 WAS DESIGNED FOR USEWITHIN LENS BARREL. IN 1890 BAUSCH & LOMB INTRODUCED A SHUTTER IN WHICH 8 BLADES OPENED TO A PRE-SET APERATURE & CLOSED AGAIN. IT WAS ACTIVATED BY A PNEUMATIC DELAY CYLINDER AND RUBBER TUBE & BULB TRIGGER. THIS REMAINED THE STANDARD FOR LARGER SIZE CAMERAS FOR MANY YEARS (REF.1, PP.206-209).

Area Notes

Unknown

Details

Markings

ROUND LABEL ON SHUTTER RELEASE MECHANISM READS: 'PACKARD-IDEAL SHUTTER/ PATD./ OTHERS/ PENDG.'/ LABEL ON BOX TOP READS: 'THE PACKARD IDEAL SHUTTER/ Patented Others Pending/ FOR TIME OR INSTANTANEOUS EXPOSURES/ Size Opening 4" No.6/ Manufactured Only by/ MICHIGAN PHOTO SHUTTER CO./ KALAMAZOO, MICHIGAN, U.S.A.'/ HANDWRITTEN IN RED PENCIL ON LABEL: '16.00' [CROSSED OUT BY 2 RED LINES] & 'used/ 10.00'

Missing

APPEARS COMPLETE

Finish

SHUTTER PAINTED BLACK; BLACK FELT BACKING/ BLACK CARDBOARD BOX

Decoration

N/A