Valve

Object detail

Accession number
1978.1673
Description
Glass tube (smashed) with metal pointed caps at ends. Metal inside. Two metal caps opposite each other at one end. Metal bracket clip on side.
Marks
Early British hard valves. These valves had plain tungsten filaments running at white heat and had a high vacuum c.1922-19224. Label
Credit Line
Valve, 1978.1673. The Museum of Transport and Technology (MOTAT).

Share

My shortlist

Public comments

Be the first to comment on this object record.

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