UNIQUE MICROSCOPE AID: THE URANIUM GLASS CUBE - New, from RMMC

Description

UNIQUE MICROSCOPE AID: THE URANIUM GLASS CUBE
- New, from RMMC
This "tool" is of great assistance in demonstration of illumination techniques in general microscopy, as well as a graphic aid in troublshooting substage illumination issues for the instructor, hobbyist, and service technician.  We've used one similar, purchased over 40 years ago.  Only recently have we been able to locate a glass works still able to produce this product.  Dimensions are: 27mm X 27mm X 27.16mm  The slightly larger dimension is associated with the "vertical" orientation (frosted or matt surface).
Suggested Applications:
Note:
The proper positioning of the cube for transmitted, diascopic illumination is with the matted surface facing upward.
Demonstration of angular aperture provided by condenser
Demonstration of phase annuli, varying in size with magnification
Demonstration of increased angular aperture with immersion oil between the condenser top lens and the cube base
Demonstration of oblique illumination
with turret condenser out of position
with de-centered aperture diaphragm or oblique insert
with card or hand under the condenser
Demonstration of both “dry” and immersion darkfield condensers
Demonstration of the difference in angular apertures between an Abbe phase condenser set at the largest annulus and a darkfield condenser (either paraboloid or cardioid)
Demonstration of noise permitted with either brightfield or phase contrast and a
wide-open
field diaphragm (can be shown dynamically)
Demonstration of the differences in base collection systems, with varying angular apertures and distinctness of angular apertures produced
Demonstration of the effect(s) of misaligned lamps within the angular aperture
Demonstration of the effect(s) produced with varying collection of the lamp – varying the collector, varying the position of the lamphouse in relation to a fixed collector, or choosing different selections within a Barer-Weinstein collection assembly
Demonstration of incident illumination (the cube should be inverted from the
Note
above) – this can be used for brightfield and darkfield techniques. Turning the cube’s matted surface to the side allows for matching the base illumination cone with that of the incident cone. As well, different objectives (“condensers”, functionally at this point) demonstrate different angular apertures with the cube.
The shipping charge is for Priority Mail within the U.S.  No International Shipping is available.