Direction finder

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, 1993.0229.001
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: N/A
DATE: 1923
ARTIFACT NUMBER: 1993.0229.001

MANUFACTURER: Canadian Marconi Co.
MODEL: MDF-1
LOCATION: Canada

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOODEN CABINET/ SYNTHETIC [BAKELITE?] PANELS & KNOBS/ METAL HARDWARE/ GLASS PLATE COVER ON GONIOMETER & METAL PANEL & CASING/ METAL & SYNTHETIC WORKING PARTS

Dimensions

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

Length: 54.0 cm
Width: 38.0 cm
Height: 57.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

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

Context

Country: Canada
State/Province: Unknown
Period: PROBABLY 1920'S UP TO WWII
Canada: EXAMPLE OF A DIRECTION FINDER MADE & PROBABLY USED IN CANADA
Function: USED TO RECEIVE RADIO SIGNALS AND TO TAKE THEIR BEARING IN ORDER TO DETERMINE THEIR POINT OF ORIGIN AND THUS BE ABLE TO POSITION THE SHIP. ALSO CALLED A RADIO COMPASS.
Technical: Unknown
Area Notes: Unknown

Details

Markings: MFG'S PLATE: 'CANADIAN MARCONI COMPANY/ PATENTED 1910. 1922. 1923./ TYPE M.D.F.1. SERIAL'/ TOP PANEL: 'CLOSED CIRCUIT/ TUNING/ RHEOSTAT/ OSCILLATOR/ TUNING/ FILAMENT/ POTENTIOMETER/ RECEIVER/ TYPE MDFR-1/ MARCONI/ CANADA'/ MIDDLE PANELS: 'COUPLING TRANSFORMER/ MARCONI/ CANADA/ TYPE-18632/ SENSE RESISTANCE/ SENSE STAND BY/ DF' 'SENSE COUPLING/ TYPE-18640/ MARCONI/ CANADA' 'INST. NO. 307336 P.S. NO.1974A'/ BOTTOM PANELS: 'EARTHING RELAY/ TYPE 18670/ MARCONI/ CANADA' 'CALIBRATING CHOKES/ TYPE 18564/ MARCONI/ CANADA'/ SIDE TERMINALS: '45 VOLTS 6 VOLTS PHONES' 'FORE AFT PORT STARBD EARTH'
Missing: 6 TYPE 01A VACUUM TUBES/ BINDING POST ASSEMBLY
Finish: WOODEN CABINET STAINED & VARNISHED/ BLACK PANELS WITHWHITE PRINTING
Decoration: N/A

CITE THIS OBJECT

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

Canadian Marconi Co., Direction finder, after 1923, Artifact no. 1993.0229, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1993.0229.001/

FEEDBACK

Submit a question or comment about this artifact.