Lamp bulb collection

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Ingenium, 2004.1371.001
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OBJECT TYPE: MINIATURE
DATE: Unknown
ARTIFACT NUMBER: 2004.1371.001

MANUFACTURER: Spectro
MODEL: SL- 1203 28 V 0.71 A
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: glass & metal bulbs; paper box

Dimensions

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

Length: 19.9 cm
Width: 7.6 cm
Height: 3.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Energy-electric
Category: Electricity & electronics
Sub-Category: N/A

Manufacturer

AKA: Spectro
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: These bulbs are new/unused; presumably available for use c. 1960s- early 1990s.
Canada: Accessory used with Wild A8 Autograph [2004.1361], used in Canada's national mapping program c. 1960s-early 1990s, an example of one of the last analogue plotting devices used by the Topographic Service of Canada. With the exception of the Wild A10 [few of which were used in Canada], the A8 was the most sophisticated plotter available before digital technology.
Function: Component of artificial light source.
Technical: Spare or replacement bulbs for use with A8 plotter 2004.1361. Believed used in illumination system for reading glass scales on .1 plotter. [see Ref. 3, FIG. 3] These lamp bulbs were kept with other small parts in accessory cabinet drawer, for use by Wild technician during service call.
Area Notes: Unknown

Details

Markings: "SL-1203" stamped on base of each bulb. "SPECTRO/ miniature lamps" printed on box face; "miniature SPECTRO lamps" printed on both long side panels of box; No. SL-1203/ (28V.) / 0.71A/ 10 pcs." printed on end panel of box' opposite end panel markings are similar but incomplete.
Missing: Each bulb is complete in itself.
Finish: 10 clear glass and silver metal bulbs secured to off-white paper sleeve within off-white & blue paper box.
Decoration: N/A

CITE THIS OBJECT

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

Spectro, Lamp bulb collection, Unknown Date, Artifact no. 2004.1371, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/2004.1371.001/

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