Clear glass bottle with black plastic srew lid, containing mersol. Printed paper label reads: "Mersol. Sole Proprieters and Makers:- Flatters and Garnett LTD. Microscopists. 309 Oxford Road Manchester, 13. (Made in England). An immersion oil of correct refractive index. For use with all makes of Apochromatic and Achromatic Objectives." Clear glass bottle with black plastic srew lid
