Two Microscope Object Lenses in Box, English?, Late 18th Century

Two microscope lenses in wooden box, originally for three lenses.

.1 - Microscope lens. Part of a set. Larger of the two.

.2 - Microscope lens. Part of a set. Smaller of the two

.3 - Fitted case for set of microscope lenses. Wooden box with hinged lid. Two hook fastenings to front. Fitted light wood inset holder with three holes. Red velvet lined lid and holes.