THE GREAT MULLARD MAGIC BLOG — whaddon service epot

Valves were from time to time, returned to either the main Mullard service department or one of the regional service centres.   Reasons for return were varied and included,   defective new product and devices that had failed during their guaranteed life. Today's blog entry will describe what happened to these naughty devices when received at the service centre. On receipt, the suspect device would be unpacked and listed in a return register attached to a numbered report form on which the results of any tests carried out would be recorded.  At this point, the report contained details of the...