Lamp, gas
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1998.0071.001
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- OBJECT TYPE
- miner's cap/carbide/acetylene
- DATE
- 1943
- ARTIFACT NUMBER
- 1998.0071.001
- MANUFACTURER
- Justrite Mfg. Co.
- MODEL
- Streamlined
- LOCATION
- Chicago, Illinois, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- BRASS LAMP; BRIGHT (NICKEL PLATING?) SILVER REFLECTOR; RESIN GRIP
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 9.5 cm
- Width
- 7.5 cm
- Height
- 11.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Lighting Technology
- Category
- Lighting devices
- Sub-Category
- N/A
Manufacturer
- AKA
- Justrite
- Country
- United States of America
- State/Province
- Illinois
- City
- Chicago
Context
- Country
- Canada
- State/Province
- Quebec
- Period
- THIS LAMP NEVER USED. THIS TYPE WIDELY USED C. 1910-1945. THIS MODEL MFD. 1939-1973. (REF.3, PT1&2)
- Canada
-
THIS TYPE OF LAMP TYPICAL OF MINING LAMPS USED IN CANADA DURING PERIOD C. 1910-1950S. THIS EXAMPLE WAS PURCHASED FOR USE BY NEW CALUMET MINES LTD. (1948-1968), FOR WORK ON ZINC-LEAD DEPOSIT ON CALUMET ISLAND, PQ. (LOCATED 60 MILES FROM OTTAWA, IN THE OTTAWA RIVER). (REF. 4) - Function
-
TO ILLUMINATE AREA IN FRONT OF MINER. - Technical
-
EARLIEST MINE LAMPS WERE OIL OR CANDLE POWERED; MINE SAFETY LAMPS, WHERE FLAME WAS SHIELDED BY WIRE GAUZE SCREEN, DEVELOPED 1812-16. AS EARLY AS 1880 ELECTRIC LIGHTS HAD BEEN INSTALLED IN A COAL MINE IN ENGLAND; PORTABLE ELECTRIC LAMPS USED IN 1901. ACETYLENE LAMPS DEVELOPED IN EARLY 1900S; WIDELY USED IN USA BY 1915. ACETYLENE PROVIDED SUPERIOR ILLUMINATION, BURNED CLEANER AND PRODUCED LESS SMOKE, REDUCED RISK OF FIRE OR EXPLOSION DUE TO SPARK FROM OPEN FLAME, AND WERE DURABLE, RELIABLE & INEXPENSIVE TO OPERATE. AN ACETYLENE FLAME WILL CONTINUE TO BURN EVEN WHEN OXYGEN LEVELS ARE LOW: THE COLOR OF THE FLAME CHANGED AT APPROX. 14% OXYGEN, PROVIDING RELIABLE WARNING TO MINERS OF DIMINISHING OXYGEN LEVELS. - Area Notes
-
Unknown
Details
- Markings
- " ON/ MADE/ IN U.S.A./ PAT./ PENDING/ Streamlined/ JUSTRITE/ " stamped into metal top; " UNITED STATES OF AMERICA " stamped into base. " JUSTRITE AIR-COOLED GRIP PAT.PEND. MADE IN U.S.A " appears in raised print on resin ring surrounding base./ " No./ [ illegible- obscured by label]/ 830W " printed on box top; " 3/ R.M. 7039/ 4-41 " printed on one box flap.
- Missing
- NONE.
- Finish
- BRIGHT PLATED FINISH APPLED TO LAMP REFLECTOR.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Justrite Mfg. Co., Lamp, gas, circa 1943, Artifact no. 1998.0071, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1998.0071.001/
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