Signal Relay

Object detail

Accession number

2011.257

Maker

The Union Switch and Signal Company

Production period

1920s

Description

An interlocking type 12D relay with a white lid on an iron frame cube with glass windows. Four coils of two, twenty four connection points. The makers plate is on the top centre and the glass is etched in calligraphy: 'Union'.

Marks

Union Etched

Media/Materials

Processed Material/Metal
Processed Material/Glass

Credit Line

The Union Switch and Signal Company. Signal Relay, 2011.257. The Museum of Transport and Technology (MOTAT).

My shortlist

Classification

Relay Tools & Equipment for Science & Technology Electrical & Magnetic T&E Electrical System Components

Production place

Pittsburgh Pennsylvania United States of America North America Americas

Collection type

Rail Transport

Subject auto tags

Audio equipment Gas Cylinder Wood Circuit component Metal Electronic component Composite material Plastic arts Public address system

Explore other objects by colour

Public comments

Sort

Be the first to comment on this object record.

Add comment

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.