ATT NN NU 
Greenough binocular body. 
Petrological attachment 
with a synchronized rotating 
motion to analyser and 
polarizer by links and 
independent rotating and 
swing-out motions. 
MU (CL 
AT Ty Wl . 
" 
n= 
TIT 
G ie 
Attachments to Radial Research Microscope. 
