Wavemeter

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, 1986.0745.001
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: 1920–1935
ARTIFACT NUMBER: 1986.0745.001

MANUFACTURER: General Radio Co.
MODEL: PRECISION 224
LOCATION: Cambridge, Massachusetts, United States of America

More Information

General Information

Serial #: 624
Part Number: 1
Total Parts: 6
AKA: N/A
Patents: N/A
General Description: WOOD, METAL, GLASS

Dimensions

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

Length: 26.5 cm
Width: 21.0 cm
Height: 23.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: General Radio
Country: United States of America
State/Province: Massachusetts
City: Cambridge

Context

Country: Canada
State/Province: Ontario
Period: ANYTIME AFTER 1927 WHEN CFRB STARTED BROADCASTING.
Canada: USED IN CANADA IN THE FIRST ALL AC OPERATED STATION (CFRB) WHICH BEGAN IN 1927
Function: USED TO MEASURE FREQUENCY & WAVELENGTH (USUALLY) OF RADIO TRANSMITTERS
Technical: TYPE SAMPLE OF ABSORPTION TYPE WAVE METER
Area Notes: Unknown

Details

Markings: STAMPED ON TOP:'PRECISION WAVEMETER/ TYPE 224 SERIAL NO. 624/ GENERAL RADIO CO./ CAMBRIDGE MASS'/ METAL PLAQUE ON TOP: 'PROPERTY OF C.F.R.B. TORONTO ONTARIO/ STOCK NO. 0012/ ROGERS RADIO BROADCASTING CO. LIMITED'/ ON METER: 'WESTON/ THERMO GALVANOMETER/ PAT NOV. 6 '88, APR. 29, 90, FEB. 17, '91,OCT. 4, '98, JULY 16, '01/ CURRENT SQUARED/ RADIO FREQUENCY/ RES.= 4.5 OHMS I=115 M.A./ WESTON ELECTRICAL INSTRUMENT CORP., NEWARK, NJ, USA/ MODEL 425 NO. 36552'
Missing: N/A
Finish: VARNISHED WOOD CABINET/ PAINTED BLACK TOP PANEL IN IMITATION LEATHER STYLE
Decoration: N/A

CITE THIS OBJECT

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

General Radio Co., Wavemeter, between 1920–1935, Artifact no. 1986.0745, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1986.0745.001/

FEEDBACK

Submit a question or comment about this artifact.