Lamp bulb, discharge

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OBJECT TYPE
fluorescent/tube/sodium vapour/bipin
DATE
1955–1965
ARTIFACT NUMBER
1992.3187.001
MANUFACTURER
Philips
MODEL
57006B/01
LOCATION
Holland

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
3
AKA
N/A
Patents
N/A
General Description
Glass bulb with a ceramic base, metal electrodes, and drops of sodium inside the glass. Ampoule de verre avec une base de céramique, électrodes en métal et gouttelettes de sodium à l'intérieur.

Dimensions

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

Length
39.6 cm
Width
N/A
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
3.6 cm
Volume
N/A

Lexicon

Group
Lighting Technology
Category
Lamp bulbs
Sub-Category
N/A

Manufacturer

AKA
Philips
Country
Holland
State/Province
Unknown
City
Unknown

Context

Country
Unknown
State/Province
Unknown
Period
Unknown Inconnu
Canada
Part of the Ontario Hydro Collection. This collection was acquired by the CSTM in 1992. It documents the material culture of the history of electricity and its uses. Fait partie de la collection Hydro-Ontario. Cette collection acquise par le musée des sciences et de la technologie du Canada en 1992 documente la culture matérielle de l’histoire de l’électricité et ses usages.
Function
To light streets or industrial areas. Pour éclairer les rues ou lieux industriels.
Technical
Lighting produced by an electric arc obtained with metallic sodium. The first sodium bulb was invented by Westinghouse in 1920. OSRAM improved the quality of the glass used in 1931, however Philips began commercial production in 1932. This bulb was made with new glass developed by Philips in 1955 that improved the resistance to sodium vapour. Previous to this, sodium bulbs discoloured quickly. This change was a great improvement, but the bulbs needed to be installed correctly in order to avoid the sodium travelling through the tube and depositing a mirrored finish on the inside, reducing light transmission. Light obtained was orange in colour, which was less harsh than white light. Éclairage produit par un arc électrique obtenu avec du sodium métallique. La première ampoule au sodium a été inventée par Westinghouse en 1920. OSRAM améliora la qualité du verre en 1931. Toutefois, la compagnie Philips en fit la production commerciale à compter de 1932. Cette ampoule est faite du nouveau verre mis au point par Philips en 1955 qui améliorait la résistance à la vapeur de sodium. Avant, les ampoules au sodium se ternissaient rapidement. Ce changement était une belle amélioration mais l’ampoule devait être installée correctement afin d’éviter que le sodium voyage dans le tube et ne forme une surface miroitante qui réduisait l’efficacité d’éclairage. L’éclairage obtenu de couleur orange, est moins difficile pour la vision que la lumière blanche.
Area Notes
Unknown

Details

Markings
Printed on the base: "[logo]/ TYP. 57006B/01/ SO 85 W 70001m [further markings blurred]"/ Moulded into the base: "297"/ Printed on the slide of the bulb: "PHILIPS/ MADE IN HOLLAND"/ Handwritten near the top of the bulb: "[R]1/ B/ 960[x 7]9/ 23/8/ a/ B/ 10"
Missing
Appears complete
Finish
Clear glass lamp bulb with drops of solidified silver-coloured metal inside and white printed text on the side and handwritten markings in black. The bulb is set with a white ceramic base with black printed markings and a white metal clip at the other end. Ampoule transparent avec des gouttelettes d'un métal de couleur argenté à l'intérieur et du texte imprimé en blanc sur le côté et du texte écrit en noir. L'ampoule a une base de céramique blanche avec du texte imprimé en noir.
Decoration
N/A

CITE THIS OBJECT

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

Philips, Lamp bulb, discharge, circa 1955–1965, Artifact no. 1992.3187, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1992.3187.001/

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