McARTHUR PORTABLE COMPOUND MICROSCOPE
C. 1972
SIGNED ON THE RIGHT UPPER FRONT: 'McArthur Microscope, The Open University Model, Patent Applied for'
SERIAL NUMBER: 23890
MODEL: POLARIZED LIGHT VERSION OF THE OPEN UNIVERSITY MCARTHUR PORTABLE MICROSCOPE
B: Electrical cord from adapter in battery compartment
C: Cover over electrical components
D: Electrical adapter for battery compartment
E: Electric light and switch assembly
F: Slider control for analyzer
G: Rotating stage
H: Sleeve to receive circular stage flange
I: Centering screw
L: Polarizer slider
M: Reticle eyepiece
N: Fine focus knob
