Bottle of cedarwood immersion oil, maker unknown, 1945-1970 Bottle of cedarwood immersion oil 1945-1970
Immersion oil for Reichert `Polyvar' microscope outfit, c. 1980 Immersion Oil for Reichert `Polyvar' Microscope Outfit
Bottle of immersion oil, by Cooke, Troughton and Simms, English, 1945-1965 Bottle of immersion oil 1945-1965