Monthly Archives: September 2015

The chronology of PT/35(b): 06/03/1992

6 March 1992 (Whitehead – See also 15 Feb 1990 above) On this date both officers travelled to Circuit Foil UK (formerly Yates Circuit Foils) at Silloth, and interviewed Michael Whitehead, who examined the matt side topography of the copper … Continue reading

Posted in Chronology, DP/347(a), PT/35(b) | 1 Comment