Clinical flame photometer, model 150, by Evans Electroselenium Ltd., British, c.1960-1970, with 6 boxes of spares Clinical flame photometer 1960-1970
Flame photometer, dilutor (see 2 stroke numbers), by Instrumentation Laboratory, Viale Dell Industria, Paderno Dugnano, 3-20037 Italy, 1975-1980. Flame photometer 1975