Relay

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, 1978.0376.001
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: POLAR/HIGH SPEED
DATE: 1920
ARTIFACT NUMBER: 1978.0376.001

MANUFACTURER: A.T.M. Co. Ltd.
MODEL: R327
LOCATION: Liverpool, England

More Information

General Information

Serial #: 804
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: WOOD BASE & PLATFORM/ BRASS CASING, INTERNAL MECHANISM, BINDING POSTS & ADJUSTMENT KNOB/ STEEL CONTACT POINTS/ EBONITE/ WIRE.

Dimensions

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

Length: 19.5 cm
Width: 15.0 cm
Height: 16.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: Automatic Telephone
Country: England
State/Province: Unknown
City: Liverpool

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: Unknown
Function: A DEVICE WHICH OPENS OR CLOSES AN AUXILIARY CIRCUIT UNDER PREDETER- MINED ELECTRICAL CONDITIONS IN THE MAIN CIRCUIT. IT ENABLES A WEAK CURRENT TO BE STRONGER.
Technical: IMPROVED THE QUALITY & CAPACITY OF LONG DISTANCE TELEGRAPH COMMUNICATION.
Area Notes: Unknown

Details

Markings: CIRCULAR MANUFACTURER'S PLATE ON BASE FRONT: 'A.T.M. CO. LTD./ LIVERPOOL/ ATM' ENCLOSED IN A CIRCLE/ ON BRASS CASING: 'THE ATM' ENCLOSED IN A CIRCLE/ 'HIGH-SPEED/ RELAY/ PAT. APPD. FOR/ 804'/ 'MARKING SPACING' WITH DIRECTION ARROWS OVER SIDE ADJUSTMENT KNOB/ BINDING POST MARKING: '(u)' ON BASE. INCISED MARKINGS/ STAMPEDIN BASE BOTTOM: 'TESTED/ O.K.' ENCLOSED IN A SQUARE/ STAMPED INTO BASE BOTTOM: 'R27'.
Missing: LID/ 6 BINDING POST MARKINGS From CA of 08/12/1996 by Kevin Machan: Yes - Missing: all but one ivory inlaid letters from base; top hinged cover and glass.
Finish: VARNISHED WOOD BASE & PLATFORM/ INTERNAL ADJUSTMENT SCREWS PAINTED BLACK.
Decoration: N/A

CITE THIS OBJECT

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

A.T.M. Co. Ltd., Relay, circa 1920, Artifact no. 1978.0376, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1978.0376.001/

FEEDBACK

Submit a question or comment about this artifact.