THE GREAT MULLARD MAGIC BLOG
DO VALVES WEAR OUT (ii)? - GAS
When a valve is manufactured, it undergoes a process called evacuation where successive pumping operations remove air from the envelope prior to sealing. However, even after evacuation, a small...
DO VALVES WEAR OUT (ii)? - GAS
When a valve is manufactured, it undergoes a process called evacuation where successive pumping operations remove air from the envelope prior to sealing. However, even after evacuation, a small...
COSSOR & THE RADIO VALVE THIEF'S CLUTCHING FING...
I did laugh when I saw the Cossor advert from the late 1920's and pictured below: - Just look at these fateful words, "......His clutching thieving fingers cannot harm this...
COSSOR & THE RADIO VALVE THIEF'S CLUTCHING FING...
I did laugh when I saw the Cossor advert from the late 1920's and pictured below: - Just look at these fateful words, "......His clutching thieving fingers cannot harm this...
MORE ON MULLARD LSD FLASH TUBES
I had a very strange e-mail from a viewer in which he commented on my 'Mullard in the early 1950s' blog article, in particular my commentry about the Mullard LSD...
MORE ON MULLARD LSD FLASH TUBES
I had a very strange e-mail from a viewer in which he commented on my 'Mullard in the early 1950s' blog article, in particular my commentry about the Mullard LSD...
JUBILEE TOUR AND PAST ROYAL VISITS TO MULLARD S...
Some of you may have seen the news report showing Her Maj boating on the Leeds & LIverpool Canal on the broad beam narrow boat, The Pride of Sefton in...
JUBILEE TOUR AND PAST ROYAL VISITS TO MULLARD S...
Some of you may have seen the news report showing Her Maj boating on the Leeds & LIverpool Canal on the broad beam narrow boat, The Pride of Sefton in...
DO VALVES WEAR OUT (v)? -THE FINAL WORD?
It is said that a picture is worth a thousand words so for this blog entry, here we are - a picture which lists some of the valve failure modes...
DO VALVES WEAR OUT (v)? -THE FINAL WORD?
It is said that a picture is worth a thousand words so for this blog entry, here we are - a picture which lists some of the valve failure modes...
DO VALVES WEAR OUT (iv)? -ELECTROLYTIC DECOMPOS...
Over-running output valves and rectifiers or allowing them to operate at extremely high envelope temperatures, can have another undesirable effect as the valve ages where electrolysis of the the envelope...
DO VALVES WEAR OUT (iv)? -ELECTROLYTIC DECOMPOS...
Over-running output valves and rectifiers or allowing them to operate at extremely high envelope temperatures, can have another undesirable effect as the valve ages where electrolysis of the the envelope...