collection of objects

Collection of objects - radio valves, microphone amplifier, and a telegraph relay.

Donated by Mr A Regan

Details

Category:: Electronic Components

Object Number:: Y1972.9

type:: collection of objects

credit:: Gift of Mr A Regan

Cite this page

Rights

We encourage the use and reuse of our collection data.

Data in the title, made, maker and details fields are released under Creative Commons Zero . Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence

Using our data

Download

Download catalogue entry as json

Download manifest IIIF

Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.

Parts

Assortment of 10 various radio valves, including early electronic valves and amplifying valves

radio valves

Assortment of 10 various radio valves, including early electronic valves and amplifying valves

Object Number:: Y1972.9.1

type:: radio valves

Telegraph relay; used in early wireless telegraph equipment. No.3330. Round wood base with 7 brass screw terminals, vertical brass cylinder housing mechanism with opening glass topped lid.

telegraph relay

Telegraph relay; used in early wireless telegraph equipment. No.3330. Round wood base with 7 brass screw terminals, vertical brass cylinder housing mechanism with opening glass topped lid.

Made by Silvertown in 1917.