THE GREAT MULLARD MAGIC BLOG — Philips Cartomatic GM7629

The Mullard Master Test Board (MMTB), introduced in 1935 is in actuality a re-badged Philips Cartomatic GM7629, often referenced as the Cartomatic Mk1.   In every other European country it was sold as the Philips Cartomatic but for some reason, Mullard badge engineered it as their own product.    Physical examination  of the Philips Cartomatic Mk1 and the Mullard Master Test Board side by side reveals identical construction leading us to conclude that irrespective of badging, they were all made by Philips and either supplied fully built or as 'knocked down' kits for British construction and then post manufacture rebadged as Mullard instruments.     ...