replacement for the outside plastic case of your old ray boxes.
these cases melt and crack due to the heat produced by the bulb.
why spend over $100 for a new ray box.
replace the old case with a new metal one.
the metal case radiates heat better and will never melt, crack or break.
Catalogue no: 95P014 $39.95
ADJUSTABLE PLANE MIRROR HOLDER
this metal holder allows the student to keep the mirror flat to the table top while at the same time allowing the mirror to be angled to ensure that all reflections are along the table surface.
this makes the incident and the reflected rays readily observable. No. 8 in photo across.
Catalogue no: 88P006 $3.95
PLANE MIRROR
this 150 X 40 X 2.5 mm mirror is designed to fit in the plane mirror holder above.
it is coated with 8 layers of reflective surface for maximum reflection.
the edges are hand polished to insure that edges are smooth so that students can't cut themselves on any sharp edges. No. 9 in photo across.
Catalogue no: 88P007 $4.95
METAL REPLACEMENT SLIT PLATE
these slit plates are hand crafted out of shiny metal so they will neither break nor melt from the heat of the ray box.
the slits are made deeper and wider than those of other manufacturers to allow more light to get through. No. 10 in photo above.
