Shopify secure badge

THE GREAT MULLARD MAGIC BLOG

THESE VALVE CIRCUITS ARE LITTLE DEVILS

Posted by STEVE M on

THESE VALVE CIRCUITS ARE LITTLE DEVILS

I just love this joke circuit diagram from 1937 - see what you think:-  

Read more →

OPERATION CORONA NOTHING TO DO WITH COVID THOUGH

Posted by STEVE M on

OPERATION CORONA NOTHING TO DO WITH COVID THOUGH

Coronavirus has been in the news for a couple of years now and we are very sensitive to anything involving the term 'Corona' me, I still drink that brand of beer though!! Today, our blog entry deals with Operation Corona, a 1943 Royal Air Force operation designed to confuse German nightfighters whilst Allied bombing raids were ongoing.    The operation made use of both native speakers and people who could speak German to a standard where they could be taken for a native speaker who went on to impersonate German Air Defence officers. They initiated communications via radio with German nightfighter pilots...

Read more →

Climax Radio - Making You Feel, Just The Way You Like It.

Posted by STEVE M on

Climax Radio - Making You Feel, Just The Way You Like It.

Climax Radio is an internet radio station located in Tottenham that is on air 24 hours a day. Its programming focuses on entertainment and music, namely the best underground music along with their snappy slogan of "Climax Radio - Making You Feel, Just The Way You Like It." However, moving backwards in time some 80 or so years ago,  Climax Radio described something quite different on both sides of the Atlantic. In 1938, the Climax Radio Corporation of Chicago came out with their Model 60, a really handsome Art Deco beast I am sure you will agree:- Our own home grown ...

Read more →

DOES EVERY VALVE NOTATION WITH THE CHARACTERS X4 EXCITE YOU?

Posted by STEVE M on

DOES EVERY VALVE NOTATION WITH THE CHARACTERS X4 EXCITE YOU?

When posing this title question, I was reminded of an event that happened a few years ago at the NVCF.  I was attempting to sell for a good friend and BVWS committee member both an AVO VCM163 valve tester and a globe Osram PX4. A potential Italian customer sidled up to the stall, going into raptures about both items - his eyes were bulging and there was a sheen sweat on his top upper lip as he recited the valve pin settings for a PX4, well we all know 8423000000 don't we?  Certainly it resulted in the owner of these items...

Read more →

A ROUND RADIO TRINKET THAT ISN'T AN EKCO NOR A RADIO EITHER!

Posted by STEVE M on

A ROUND RADIO  TRINKET THAT ISN'T AN EKCO NOR A RADIO EITHER!

     Has there ever been a more iconic radio than the 'Round Ekco' so called. because of its shape, sure Telefunken Barcelona did a round radio in limited numbers for the indigenous market but we can excuse that.  Below, I list a few technical specifications for the five round Ekco models: - EKCO REFERENCE SPECIFICATION   AD36 A LW/MW tuned radio frequency, TRF with 4 valves, introduced 1935 AD65 A LW/MW superhet with 4 valves, introduced 1934 AD75 A LW/MW superhet with 5 valves, introduced 1940 AC76 An AC mains  LW/MW superhet with 5 valves, introduced 1935 A22 An AC mains  LW/MW/SW superhet with 5 valves, introduced...

Read more →