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Ingenium, 1966.0883.002
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OBJECT TYPE: MARINE/FRESNEL LENS
DATE: 1912
ARTIFACT NUMBER: 1966.0883.002

MANUFACTURER: Barbier, Bernard & Turenne
MODEL: Unknown
LOCATION: Paris, France

More Information

General Information

Serial #: 10612
Part Number: 2
Total Parts: 2
AKA: N/A
Patents: N/A
General Description: BRASS FRAME.

Dimensions

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

Length: 50.0 cm
Width: 27.6 cm
Height: 5.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Marine Transportation
Category: Communications
Sub-Category: N/A

Manufacturer

AKA: Barbier
Country: France
State/Province: Unknown
City: Paris

Context

Country: France
State/Province: Unknown
Period: THIS TYPE OF LANTERN USED C. 1912+
Canada: Unknown
Function: ARTIFICIAL LIGHT SOURCE USED TO PROVIDE ILLUMINATION, AND TO INDICATE MOVEMENT OF MARINE VESSELS ON THE WATER.
Technical: EXAMPLE OF MARINE OR SHIP'S LANTERN HAVING HEAVY MOULDED RIBBED-GLASS FRESNEL LENS. FITTED WITH HINGED FRAME FOR LENS FILTERS OR POSSIBLY SHUTTERS. (.2) FRESNEL LENS INVENTED IN FRANCE IN 1822 BY AUGUSTIN FRESNEL. IT WAS MORE EFFICIENT AT COLLECTING & DISTRIBUTING LIGHT RAYS AND PRODUCED A BEAM FIVE TIMES MORE POWERFUL THAN THE REFLECTOR SYSTEM USED PREVIOUSLY.
Area Notes: Unknown

Details

Markings: No markings visible.
Missing: FRAME MISSING FILTERS OR PANELS.
Finish: NATURAL BRASS & COPPER FINISHES.
Decoration: N/A

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

Barbier, Bernard & Turenne, Frame, filter, 1912, Artifact no. 1966.0883, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1966.0883.002/

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