![](https://coimages.sciencemuseumgroup.org.uk/38/769/large_thumbnail_1970_0296__0002_.jpg)
Sectioned stainless steel silencer (1980). Outer shell in ferritic stainless steel (11.5% Cr
Sectioned stainless steel silencer (1980). Outer shell in ferritic stainless steel (11.5% Cr, 0.5% Ti). Perforated cores in austinitic stainless steel (18% Cr 9% Ni), 1980