- Back
-
Title: Baird light valve [Go to resource]
Description: Metal casing with 2 tubes sticking out, each has a square glass plate set in cork in it. 2 pins protruding from base and sticker on side with writing on it. Part of a massive collection of valves in a cardboard box. License: http://www.abdn.ac.uk/historic/Copyright_terms_conditions.shtml Publisher: ABDNP University of Aberdeen, Natural Philosophy Collection of Historical Scientific Instruments Rights holder: 47718 Temporal: 1930-1940 Source: University of Aberdeen Creator: Baird Television Ltd Identifier: http://calms.abdn.ac.uk/Geology/dserve.e... Go to resource More Like this...
[Edit] - Back