Gerry Anderson Associated Television (ATV) boss who offered to buy the show. This began a long friendship and a very successful professional association between the two men. The new series, "Supercar", (1960–61) was developed by Gerry & Sylvia Anderson and Reg Hill based on a story written by Sylvia Anderson and marked several important advances for APF. Sylvia Anderson took on a larger role and became a partner in the company. The series was also the official debut of Supermarionation, the electronic system that made the marionettes more lifelike and convincing on screen. The system used the audio signal from pre-recorded tapes
Mercury M series greater coverage for potential truck buyers. To differentiate Ford and Mercury trucks, Mercury added a brand-specific grille and slightly different exterior and interior trim. In 1948, following the introduction of the Ford F series, Mercury adopted the use of the "M" prefix, for Mercury. From 1948 to 1950, nominal tonnage ratings were replaced by a series designation in which the numbers indicate the GVWR when equipped with tires of appropriate capacity. Each code number is arrived at by dividing the GVWR of the series by 100. Thus an F-47 (M-47) indicates a GVWR of 4700 lbs., F-135 (M-135) indicates 13500