Crystal, carborundum

Use this image

Can I reuse this image without permission? Yes

Object images on the Ingenium Collection’s portal have the following Creative Commons license:

ATTRIBUTE THIS IMAGE

Ingenium, 1967.1200.001
Permalink:

Ingenium is releasing this image under the Creative Commons licensing framework, and encourages downloading and reuse for non-commercial purposes. Please acknowledge Ingenium and cite the artifact number.

DOWNLOAD IMAGE

PURCHASE THIS IMAGE

This image is free for non-commercial use.

For commercial use, please consult our Reproduction Fees and contact us to purchase the image.

OBJECT TYPE: SILICON & CARBON
DATE: 1900–1909
ARTIFACT NUMBER: 1967.1200.001

MANUFACTURER: Unknown
MODEL: Unknown
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 2
AKA: N/A
Patents: N/A
General Description: SILICON AND CARBON

Dimensions

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

Length: 7.0 cm
Width: 5.0 cm
Height: 3.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

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

Context

Country: Worldwide
State/Province: Unknown
Period: THESE CRYSTALS NEVER USED. THIS TYPE OF CRYSTAL CONTINUES IN USE 1999 +
Canada: FORMERLY PART OF COLLECTION OF NRC COMMUNICATION MUSEUM.
Function: USED AS AN ABRASIVE, AND IN LIGHT-EMITTING DIODES TO PROVIDE GREEN OR YELLOW LIGHT. SINGLE CRYSTALS USED IN RADIO WAVE DETECTOR.
Technical: CARBORUNDUM IS TRADENAME FOR THE COMPOUND SILICON + CARBON. CARBORUNDUM CRYSTALS CAN BE PRODUCED COMMERICALLY BY HEATING COKE & SAND IN AN ELECTRIC FURNACE. THE CARBORUNDUM RADIO WAVE DETECTOR WAS INTRODUCED IN 1906, ONE FORM OF WHICH EMPLOYED A SINGLE CRYSTAL CLAMPED BETWEEN 2 FLAT COPPER TERMINALS. (REF. 2 )
Area Notes: Unknown

Details

Markings: None.
Missing: NONE.
Finish: Unknown
Decoration: N/A

CITE THIS OBJECT

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

Unknown Manufacturer, Crystal, carborundum, between 1900–1909, Artifact no. 1967.1200, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/item/1967.1200.001/

FEEDBACK

Submit a question or comment about this artifact.