Antique part set of vintage boxed scientific brass laboratory weights

Antique part set of vintage boxed scientific brass laboratory weights. English, circa 1940s. Size of box: 5.5 x 2.75 x 1.15 inches. Weight: allow 1 kg once packed. Condition commensurate with age and use - various superficial marks & scratches to box and please note some weights are missing ie an incomplete set. Priced accordingly.