134 Chronicles of Science. | Jan. 
It is a handsome-looking instrument of the form represented in 
the accompanying woodcut. 
This microscope is made entirely of brass, and is 16 inches high. 
At first sight, it looks like an instrument costing 18/. or 201., which 
is more than double the actual price. It is supplied with two powers 
of a quarter of an inch focus, two eyepieces, a polarising apparatus, a 
coarse and fine adjustment, a magnetic stage, a circular diaphragm, a 
double mirror, and a stage condenser. 
The microscope is so constructed as to fit into a hexagonal box ; 
the bottom of which forms the stand of the instrument, and mto which 
are set the requisite apparatus. So, no sooner is the top of the box 
removed, than the microscope is found in its place all ready for use. 
The objectives and eyepieces are, as we have said, fitted into the stand 
round the instrument, so that they can be adjusted at a moment’s 
notice, and in order that this may be done more effectively they are 
fitted with slips as well as screw attachments. 
Moreover, the mahogany stand is polished, and has a circular groove 
round it, to receive the lip of a glass-bell jar, so that the box cover 
