Transistor

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Ingenium, 1999.0286.001
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OBJECT TYPE: POINT CONTACT/GERMANIUM
DATE: 1953
ARTIFACT NUMBER: 1999.0286.001

MANUFACTURER: Western Electric
MODEL: 2N25
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL & SYNTHETIC CONSTRUCTION.

Dimensions

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

Length: 1.7 cm
Width: N/A
Height: N/A
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: Western Electric
Country: Unknown
State/Province: Unknown
City: Unknown

Context

Country: North America
State/Province: Unknown
Period: THIS TYPE OF DEVICE USED C. 1950S.
Canada: PART OF A COLLECTION OF EARLY SOLID-STATE DEVICES ASSEMBLED BY THE DONOR AND HIS FATHER DURING THEIR CAREERS AS ELECTRONICS TECHNICIANS. (REF. 1)
Function: TO CONTROL THE FLOW OF ELECTRONS.
Technical: PART OF A COLLECTION OF EARLY SOLID STATE DEVICES WHICH SHOW THE EVOLUTION OF THIS TECHNOLOGY FROM 1930S TO 1970S. (REF. 1) POINT CONTACT TRANSISTORS WERE THE FIRST COMMERCIALLY PRODUCED TRANSISTORS (WESTERN ELECTRIC, 1951). UNIT HAS PLASTIC SLEEVE FITTED OVER METAL CASE, COVERING APERATURE WHERE ADJUSTMENTS TO TRANSISTOR CONTACTS WERE MADE DURING MFR. (REF. 2)
Area Notes: Unknown

Details

Markings: "10.35" & "2N25" printed around top of case.
Missing: UNKNOWN.
Finish: BLACK SYNTHETIC SLEEVE ENCIRCLES MIDSECTION OF DARK SILVER METAL TRANSISTOR BODY.
Decoration: N/A

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

Western Electric, Transistor, 1953, Artifact no. 1999.0286, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1999.0286.001/

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