THE GREAT MULLARD MAGIC BLOG
VALVE TYPES & MANUFACTURING TECHNIQUES (iv) - T...
OK, for today's blog entry I promise that I am not going to act like a Chemist wonk (even though I am one!) but rather instead, a thermionic wonk (...
VALVE TYPES & MANUFACTURING TECHNIQUES (iv) - T...
OK, for today's blog entry I promise that I am not going to act like a Chemist wonk (even though I am one!) but rather instead, a thermionic wonk (...
VALVE TYPES & MANUFACTURING TECHNIQUES (iii) - ...
We've seen so far in my blog series on valve types and manufacturing techniques that fine wire is an important material used in the valve making process. To recap, tungsten...
VALVE TYPES & MANUFACTURING TECHNIQUES (iii) - ...
We've seen so far in my blog series on valve types and manufacturing techniques that fine wire is an important material used in the valve making process. To recap, tungsten...
VALVE TYPES & MANUFACTURING TECHNIQUES (ii)
A filament current drain of 1A was a real problem and the search was on to achieve good electron emission from a reduced filament current. Early efforts were based on...
VALVE TYPES & MANUFACTURING TECHNIQUES (ii)
A filament current drain of 1A was a real problem and the search was on to achieve good electron emission from a reduced filament current. Early efforts were based on...
VALVE TYPES & MANUFACTURING TECHNIQUES (i)
Back in the dim & distant past, in a land far away, shrounded in the mists of time there was a valve................... and what a valve, not like the ones...
VALVE TYPES & MANUFACTURING TECHNIQUES (i)
Back in the dim & distant past, in a land far away, shrounded in the mists of time there was a valve................... and what a valve, not like the ones...
Pastille Burners: The Original Room Deodoriser!
Pastille Burners: The Original Room Deodoriser! Another guest blog from Karen at Mullard Antiques. The use of Pastille Burners actually dates back to the time of Elizabeth I, where they...
Pastille Burners: The Original Room Deodoriser!
Pastille Burners: The Original Room Deodoriser! Another guest blog from Karen at Mullard Antiques. The use of Pastille Burners actually dates back to the time of Elizabeth I, where they...