No, he means the BSA Martin sight. A precision rear sight usually installed on the Ross II** target rifle.
Nothing to do with Martinis or the Cooey adapter which put a sight from a Ross Mk. III on a SMLE .22.
“There are invisible rulers who control the destinies of millions. It is not generally realized to what extent the words and actions of our most influential public men are dictated by shrewd persons operating behind the scenes.”
“There are invisible rulers who control the destinies of millions. It is not generally realized to what extent the words and actions of our most influential public men are dictated by shrewd persons operating behind the scenes.”