What are magnifying glasses?
They are single glasses or lenses, used for magnifying small objects.
By whom are magnifying glasses used?
They are used by jewellers, watchmakers, engravers, and others who examine small objects.
What are microscopes?
They are instruments used for examining very small objects.
How does a drop of rain-water or vinegar appear under the microscope?
It appears to be full of strange-looking creatures, which are always in motion.
How do the smallest insects appear?
They appear to be as perfectly formed as the larger ones which are seen with the naked eye.