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Ingenium, 1993.0187.010
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OBJECT TYPE: gelatin/neutral density/Wratten
DATE: Unknown
ARTIFACT NUMBER: 1993.0187.010

MANUFACTURER: Eastman Kodak Co.
MODEL: N.D. 0.40
LOCATION: Rochester, New York, United States of America

More Information

General Information

Serial #: N/A
Part Number: 10
Total Parts: 13
AKA: N/A
Patents: N/A
General Description: Synthetic filter in a paper envelope

Dimensions

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

Length: 8.8 cm
Width: 8.8 cm
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Exploration and Survey
Category: Survey equipment
Sub-Category: N/A

Manufacturer

AKA: Kodak
Country: United States of America
State/Province: New York
City: Rochester

Context

Country: Canada
State/Province: Ontario
Period: C.1977-1990
Canada: AMERICAN-MADE EQUIPMENT USED BY CANADIAN FIRM, NORTHWAY MAPPING TECHNOLOGY OF TORONTO, IN GENERATION OF COMPUTERIZED MAPS OF CANADA. IN 1990 IT WAS PURCHASED BY GENTIAN ELECTRONICS IN ORDER TO REFURBISH & OPERATE EQUIPMENT. BUT THIS DID NOT OCCUR AS TECHNOLOGY WAS SLOW & OUTDATED BY 1990'S STANDARDS.
Function: A grey filter meant to reduce the amount of light passing through the filter.
Technical: EARLY DRUM PLOTTER DESIGNED FOR ENGINEERING DRAFTING BUT ALSO SUITABLE FOR OTHER COMPUTER APPLICATIONS. IT REPRESENTS SIGNIFICANT CHANGE FROM & IMPROVEMENT OVER EARLIER PLOTTERS, & IS FROM PERIOD WHEN APPLICATION OF MINI COMPUTERS WAS BEING WIDELY EXTENDED TO CONTROL OF PROCESSES & OPERATIONS SUCH AS TECHNICAL DRAWING. IT CONTAINED STATE-OF-THE-ART MINI COMPUTER & DRUM-CONTROLLING SOFTWARE & MOTORS.
Area Notes: Unknown

Details

Markings: On the proper front of the package: "No. 96/ N.D. 0.40/ [logo] Kodak/ KEEP IN COOL DRY PLACE/ Wratten/ gelatin filter/ 75 mm x 75 mm/ CAT 149 6348"/ On the proper back: "[logo] Kodak/ Made in U.S.A. by/ EASTMAN KODAK COMPANY/ Rochester, N.Y. 14650/ TM Reg. U.S. Pat. Off./ This filter should be handled by the edges or at the extreme/ corners only. A marked or soiled filter is very difficult to clean./ TO CUT: Place the filter between two pieces of clean, fairly/ stiff paper and cut with sharp scissors./ KP 66286/ Printed in U.S.A."
Missing: Appears complete
Finish: Yellow envelope with red logo, and black markings on proper front and back, and on the back is a yellow sticker with black markings.
Decoration: N/A

CITE THIS OBJECT

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

Eastman Kodak Co., Filter, Unknown Date, Artifact no. 1993.0187, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1993.0187.010/

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