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Description: | MULLARD DNM9-11/3AZP2 (manufacturers trade name logo and the code stencilled on the glass envelope). DES after THOMSON,Joseph,John,Sir. 1897 [Cavedish Laboratories, Trinity College, Cambridge] [England] MANU Mullard Radio Valve Company Limited. 1965 New Road, Mitcham, Surrey. England. DES after PERRIN,Jean,Bapatiste,Professor. 1895 Ecole Normale Superie This is a Mullard DNM9-11/3AZP2 ,double beam, electrostatic, oscilloscope, cathode ray tube. The display is a 3 inch phosphorescent mixed;zinc sulphide and slow P2 phosphor.
The anodes each have two electron accelerators before the y-axis deflectors and the beam masks. The connections for the for the x and y axes are on the side of the tube and the base of the tube is duodecal.
N.B. all gas discharge tubes emit X-rays this is because the electrons from the cathode strike the atoms of gas in the tube at high energy levels. | License: | http://www.hmag.gla.ac.uk/spirit/rights/ | Publisher: | Hunterian Museum and Art Gallery, University of Glasgow | Rights holder: | Hunterian Museum and Art Gallery, University of Glasgow | Subjects: | SCIENTIFIC COLLECTION : | Source: | Hunterian Museum | Creator: | Hunterian Museum and Art Gallery, University of Glasgow | Identifier: | http://www.huntsearch.gla.ac.uk/cgi-bin/... | Language: | en-GB | Go to resource |
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