Oven, crystal

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Ingenium, 1995.1295.001
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OBJECT TYPE: 28.9 C
DATE: Unknown
ARTIFACT NUMBER: 1995.1295.001

MANUFACTURER: NRC
MODEL: Unknown
LOCATION: Ottawa, Ontario, Canada

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: COPPER, OTHER METAL, SYNTHETIC

Dimensions

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

Length: N/A
Width: 10.0 cm
Height: 33.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Radio
Sub-Category: N/A

Manufacturer

AKA: NRC
Country: Canada
State/Province: Ontario
City: Ottawa

Context

Country: Canada
State/Province: Ontario
Period: PROBABLY USED IN THE 1950S AND 1960S
Canada: EQUIPMENT MADE AND USED AT THE NRC, CANADA'S PREMIER SCIENTIFIC RESEARCH ESTABLISHMENT, IN OTTAWA
Function: A TEMPERATURE-CONTROLLED CHAMBER USED TO STABILIZE THE TEMPERATURE AND RESONANT FREQUENCY OF A CRYSTAL USED IN A CRYSTAL-CONTROLLED OSCILLATOR. [REF 1]
Technical: CRYSTAL OVENS ARE DESIGNED TO KEEP CRYSTALS AT A CONSTANT TEMPERATURE SO THAT THEY VIBRATE AT A SPECIFIC FREQUENCY. CHANGING THE TEMPERATURE CHANGES THE FREQUENCY WITH THE AMOUNT DEPENDING ON THE TYPE OF MATERIAL AND THE PURITY. [REF 2]
Area Notes: Unknown

Details

Markings: HANDWRITTEN ON TOP: 'Gn. Relay Coil/ Wt. C.3 AC re gn4/ Xtal toRed Black'/ MOLDED IN TOP PLATE: 'AMERICAN INSTRUMENT COMPANY/ WASHINGTON, D.C.'/ PRINTED ON METAL BAR: 'S.F. =/ 28.9 C'/ PRINTED ON TOP UNIT: 'AMINCO'
Missing: N/A
Finish: LACQUERED METAL; BLACK SYNTHETIC
Decoration: N/A

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NRC, Oven, crystal, Unknown Date, Artifact no. 1995.1295, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1995.1295.001/

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