THE GREAT MULLARD MAGIC BLOG
WELDING WOMEN AT WHYTELEAFE
Today's Mullard archive photograph shows a Mullard Whyteleafe Valve Assembly Department operator removing an electrode cage from one of the dustproof boxes in which valve components were stored when not...
WELDING WOMEN AT WHYTELEAFE
Today's Mullard archive photograph shows a Mullard Whyteleafe Valve Assembly Department operator removing an electrode cage from one of the dustproof boxes in which valve components were stored when not...
VALVE TYPES & MANUFACTURING TECHNIQUES (xv) - ...
The assembled valves we saw in the last blog entry when received back at the parent factory are given a final visual inspection and then each inserted in an open...
VALVE TYPES & MANUFACTURING TECHNIQUES (xv) - ...
The assembled valves we saw in the last blog entry when received back at the parent factory are given a final visual inspection and then each inserted in an open...
VALVE TYPES & MANUFACTURING TECHNIQUES (xiv) - ...
Now we come to the bit where the valve base and the electrode cage are married together. It was vitally important that the cage and base were in perfect alignment...
VALVE TYPES & MANUFACTURING TECHNIQUES (xiv) - ...
Now we come to the bit where the valve base and the electrode cage are married together. It was vitally important that the cage and base were in perfect alignment...
MULLARD FACTORY QUALITY CONTROL TESTING
As well as the production testing we discussed in a recent blog entry, Mullard employed Quality Control (QC) testing where a sample of ten valves were taken at regular intervals...
MULLARD FACTORY QUALITY CONTROL TESTING
As well as the production testing we discussed in a recent blog entry, Mullard employed Quality Control (QC) testing where a sample of ten valves were taken at regular intervals...
VALVE TYPES & MANUFACTURING TECHNIQUES (xiii) -...
With the electrode cage sorted, the next stage was to prepare the valve base. In the valve build described - the DF91 - this has a B7G glass base, the...
VALVE TYPES & MANUFACTURING TECHNIQUES (xiii) -...
With the electrode cage sorted, the next stage was to prepare the valve base. In the valve build described - the DF91 - this has a B7G glass base, the...
VALVE TYPES & MANUFACTURING TECHNIQUES (xii) - ...
We last left valve assembly where we had formed the electrode cage, today, we will describe what happened next in the valve assembly process. Before the electrode cage could be...
VALVE TYPES & MANUFACTURING TECHNIQUES (xii) - ...
We last left valve assembly where we had formed the electrode cage, today, we will describe what happened next in the valve assembly process. Before the electrode cage could be...