Pages 13-15 from FCO 37 /2114 - The Nuclear Policy of Pakistan 1979

The document discusses the issue of controlling the export of inverters to Pakistan for use in centrifuge enrichment plants. It states that the Pakistan government has placed orders for inverters from a British company, and there is concern that these inverters may be used for a weapons development program. Steps have been taken to prevent the export of designated inverters to Pakistan, and other potential suppliers are being approached to ensure the orders are not redirected. The document mentions that parallel approaches have been made by the Americans, focusing on Pakistan's efforts to develop pre-processing capabilities. The response from various governments has been generally encouraging, with some expressing concerns or criticisms. The Japanese government is currently unable to control the export of inverters but is considering international cooperation. The document concludes with a recommendation to review the progress made in approaching governments regarding the sale of inverters to Pakistan.