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History of the manufacturer  

APT Electronic Industries Ltd Byfleet Surrey

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Name: APT Electronic Industries Ltd Byfleet Surrey    (GB)  
Abbreviation: aptel
Products: Model types Others

APT Electronic Industries Ltd was established in Chertsey Road, Byfleet Surrey, moving to Darwin Close Reading in about 1960.

Initially transformer and power supply manufacturers their main product range was the "Lektrokit" prototype chassis and rack systems.

Closed: 1974
Production: - 1974
The Company was an enlargement of All Power Transformers Ltd, who mainly manufactured transformers for other manufacturers in the 1940s-50s. They commenced manufacturing their own power supplies both valve and transistor from about 1957.
They expanded into manufacturing special designs for the Ministry of Defence and maintained an innovative development team. The modular "Lektrokit" system provided the main prototype development aid for most electronic work in the UK during the 1960s. This provided both chassis and rack systems that could be rapidly and economically assembled for small quantity production. The advent of PCBs and integrated circuits and consequent miniaturisation lead to its obsolescence.
In 1971 the Company produced one of the first mains powered transformerless power supplies in the UK. The "Lektrokit" sales declined and the Company entered receivership in 1974.

This manufacturer was suggested by Roy Johnson.